Home / 113,747.45-156,973.10-62,762.40

Finding the Fourth Proportional to 113,747.45, 156,973.10 and 62,762.40

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Solution

The fourth proportional to 113,747.45, 156,973.10 and 62,762.40 is: 86,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,747.45 : 156,973.10 = 62,762.40 : x
  2. Step 2: Convert to fraction form
    113,747.45/156,973.10 = 62,762.40/x
  3. Step 3: Cross multiply
    113,747.45x = 156,973.10 × 62,762.40
  4. Step 4: Simplify right side
    113,747.45x = 9,852,008,177.63
  5. Step 5: Solve for x
    x = 9,852,008,177.63/113,747.45
  6. Step 6: Final answer
    x = 86,613.01

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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.