Home / 103,363.65-142,633.07-62,542.98

Finding the Fourth Proportional to 103,363.65, 142,633.07 and 62,542.98

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Solution

The fourth proportional to 103,363.65, 142,633.07 and 62,542.98 is: 86,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,363.65 : 142,633.07 = 62,542.98 : x
  2. Step 2: Convert to fraction form
    103,363.65/142,633.07 = 62,542.98/x
  3. Step 3: Cross multiply
    103,363.65x = 142,633.07 × 62,542.98
  4. Step 4: Simplify right side
    103,363.65x = 8,920,696,531.18
  5. Step 5: Solve for x
    x = 8,920,696,531.18/103,363.65
  6. Step 6: Final answer
    x = 86,304.00

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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.