Home / 113,612.94-156,778.70-62,622.86

Finding the Fourth Proportional to 113,612.94, 156,778.70 and 62,622.86

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Solution

The fourth proportional to 113,612.94, 156,778.70 and 62,622.86 is: 86,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612.94 : 156,778.70 = 62,622.86 : x
  2. Step 2: Convert to fraction form
    113,612.94/156,778.70 = 62,622.86/x
  3. Step 3: Cross multiply
    113,612.94x = 156,778.70 × 62,622.86
  4. Step 4: Simplify right side
    113,612.94x = 9,817,930,581.08
  5. Step 5: Solve for x
    x = 9,817,930,581.08/113,612.94
  6. Step 6: Final answer
    x = 86,415.60

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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.