Home / 103,160.92-142,387.38-62,896.88

Finding the Fourth Proportional to 103,160.92, 142,387.38 and 62,896.88

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Solution

The fourth proportional to 103,160.92, 142,387.38 and 62,896.88 is: 86,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,160.92 : 142,387.38 = 62,896.88 : x
  2. Step 2: Convert to fraction form
    103,160.92/142,387.38 = 62,896.88/x
  3. Step 3: Cross multiply
    103,160.92x = 142,387.38 × 62,896.88
  4. Step 4: Simplify right side
    103,160.92x = 8,955,721,953.37
  5. Step 5: Solve for x
    x = 8,955,721,953.37/103,160.92
  6. Step 6: Final answer
    x = 86,813.13

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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.