Home / 86,323.04-129,484.56-30,957.92

Finding the Fourth Proportional to 86,323.04, 129,484.56 and 30,957.92

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Solution

The fourth proportional to 86,323.04, 129,484.56 and 30,957.92 is: 46,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.04 : 129,484.56 = 30,957.92 : x
  2. Step 2: Convert to fraction form
    86,323.04/129,484.56 = 30,957.92/x
  3. Step 3: Cross multiply
    86,323.04x = 129,484.56 × 30,957.92
  4. Step 4: Simplify right side
    86,323.04x = 4,008,572,649.72
  5. Step 5: Solve for x
    x = 4,008,572,649.72/86,323.04
  6. Step 6: Final answer
    x = 46,436.88

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.