Home / 113,747.49-156,971.07-62,763.39

Finding the Fourth Proportional to 113,747.49, 156,971.07 and 62,763.39

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Solution

The fourth proportional to 113,747.49, 156,971.07 and 62,763.39 is: 86,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,747.49 : 156,971.07 = 62,763.39 : x
  2. Step 2: Convert to fraction form
    113,747.49/156,971.07 = 62,763.39/x
  3. Step 3: Cross multiply
    113,747.49x = 156,971.07 × 62,763.39
  4. Step 4: Simplify right side
    113,747.49x = 9,852,036,485.13
  5. Step 5: Solve for x
    x = 9,852,036,485.13/113,747.49
  6. Step 6: Final answer
    x = 86,613.22

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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.