Home / 86,116.68-129,177.45-23,787.18

Finding the Fourth Proportional to 86,116.68, 129,177.45 and 23,787.18

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Solution

The fourth proportional to 86,116.68, 129,177.45 and 23,787.18 is: 35,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,116.68 : 129,177.45 = 23,787.18 : x
  2. Step 2: Convert to fraction form
    86,116.68/129,177.45 = 23,787.18/x
  3. Step 3: Cross multiply
    86,116.68x = 129,177.45 × 23,787.18
  4. Step 4: Simplify right side
    86,116.68x = 3,072,767,255.09
  5. Step 5: Solve for x
    x = 3,072,767,255.09/86,116.68
  6. Step 6: Final answer
    x = 35,681.44

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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.