Home / 113,499.60-156,628.20-62,511.36

Finding the Fourth Proportional to 113,499.60, 156,628.20 and 62,511.36

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Solution

The fourth proportional to 113,499.60, 156,628.20 and 62,511.36 is: 86,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,499.60 : 156,628.20 = 62,511.36 : x
  2. Step 2: Convert to fraction form
    113,499.60/156,628.20 = 62,511.36/x
  3. Step 3: Cross multiply
    113,499.60x = 156,628.20 × 62,511.36
  4. Step 4: Simplify right side
    113,499.60x = 9,791,041,796.35
  5. Step 5: Solve for x
    x = 9,791,041,796.35/113,499.60
  6. Step 6: Final answer
    x = 86,264.99

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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.