Home / 103,160.29-142,386.52-62,896.25

Finding the Fourth Proportional to 103,160.29, 142,386.52 and 62,896.25

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Solution

The fourth proportional to 103,160.29, 142,386.52 and 62,896.25 is: 86,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,160.29 : 142,386.52 = 62,896.25 : x
  2. Step 2: Convert to fraction form
    103,160.29/142,386.52 = 62,896.25/x
  3. Step 3: Cross multiply
    103,160.29x = 142,386.52 × 62,896.25
  4. Step 4: Simplify right side
    103,160.29x = 8,955,578,158.55
  5. Step 5: Solve for x
    x = 8,955,578,158.55/103,160.29
  6. Step 6: Final answer
    x = 86,812.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.