Home / 103,725.31-155,338.51-59,217.13

Finding the Fourth Proportional to 103,725.31, 155,338.51 and 59,217.13

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Solution

The fourth proportional to 103,725.31, 155,338.51 and 59,217.13 is: 88,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,725.31 : 155,338.51 = 59,217.13 : x
  2. Step 2: Convert to fraction form
    103,725.31/155,338.51 = 59,217.13/x
  3. Step 3: Cross multiply
    103,725.31x = 155,338.51 × 59,217.13
  4. Step 4: Simplify right side
    103,725.31x = 9,198,700,024.06
  5. Step 5: Solve for x
    x = 9,198,700,024.06/103,725.31
  6. Step 6: Final answer
    x = 88,683.27

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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.