Home / 86,476.41-129,728.39-36,556.92

Finding the Fourth Proportional to 86,476.41, 129,728.39 and 36,556.92

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Solution

The fourth proportional to 86,476.41, 129,728.39 and 36,556.92 is: 54,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,476.41 : 129,728.39 = 36,556.92 : x
  2. Step 2: Convert to fraction form
    86,476.41/129,728.39 = 36,556.92/x
  3. Step 3: Cross multiply
    86,476.41x = 129,728.39 × 36,556.92
  4. Step 4: Simplify right side
    86,476.41x = 4,742,470,192.17
  5. Step 5: Solve for x
    x = 4,742,470,192.17/86,476.41
  6. Step 6: Final answer
    x = 54,841.20

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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.