Home / 113,614.18-156,788.67-62,628.88

Finding the Fourth Proportional to 113,614.18, 156,788.67 and 62,628.88

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Solution

The fourth proportional to 113,614.18, 156,788.67 and 62,628.88 is: 86,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,614.18 : 156,788.67 = 62,628.88 : x
  2. Step 2: Convert to fraction form
    113,614.18/156,788.67 = 62,628.88/x
  3. Step 3: Cross multiply
    113,614.18x = 156,788.67 × 62,628.88
  4. Step 4: Simplify right side
    113,614.18x = 9,819,498,798.79
  5. Step 5: Solve for x
    x = 9,819,498,798.79/113,614.18
  6. Step 6: Final answer
    x = 86,428.46

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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.