Home / 113,373.87-156,457.38-62,392.47

Finding the Fourth Proportional to 113,373.87, 156,457.38 and 62,392.47

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Solution

The fourth proportional to 113,373.87, 156,457.38 and 62,392.47 is: 86,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373.87 : 156,457.38 = 62,392.47 : x
  2. Step 2: Convert to fraction form
    113,373.87/156,457.38 = 62,392.47/x
  3. Step 3: Cross multiply
    113,373.87x = 156,457.38 × 62,392.47
  4. Step 4: Simplify right side
    113,373.87x = 9,761,762,387.93
  5. Step 5: Solve for x
    x = 9,761,762,387.93/113,373.87
  6. Step 6: Final answer
    x = 86,102.40

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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.