Home / 113,747.94-156,973.78-62,762.90

Finding the Fourth Proportional to 113,747.94, 156,973.78 and 62,762.90

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Solution

The fourth proportional to 113,747.94, 156,973.78 and 62,762.90 is: 86,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,747.94 : 156,973.78 = 62,762.90 : x
  2. Step 2: Convert to fraction form
    113,747.94/156,973.78 = 62,762.90/x
  3. Step 3: Cross multiply
    113,747.94x = 156,973.78 × 62,762.90
  4. Step 4: Simplify right side
    113,747.94x = 9,852,129,656.76
  5. Step 5: Solve for x
    x = 9,852,129,656.76/113,747.94
  6. Step 6: Final answer
    x = 86,613.70

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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.