Home / 86,646.06-129,969.09-24,314.94

Finding the Fourth Proportional to 86,646.06, 129,969.09 and 24,314.94

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Solution

The fourth proportional to 86,646.06, 129,969.09 and 24,314.94 is: 36,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,646.06 : 129,969.09 = 24,314.94 : x
  2. Step 2: Convert to fraction form
    86,646.06/129,969.09 = 24,314.94/x
  3. Step 3: Cross multiply
    86,646.06x = 129,969.09 × 24,314.94
  4. Step 4: Simplify right side
    86,646.06x = 3,160,190,625.20
  5. Step 5: Solve for x
    x = 3,160,190,625.20/86,646.06
  6. Step 6: Final answer
    x = 36,472.41

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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.