Home / 113,670.45-156,861.61-62,685.32

Finding the Fourth Proportional to 113,670.45, 156,861.61 and 62,685.32

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Solution

The fourth proportional to 113,670.45, 156,861.61 and 62,685.32 is: 86,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.45 : 156,861.61 = 62,685.32 : x
  2. Step 2: Convert to fraction form
    113,670.45/156,861.61 = 62,685.32/x
  3. Step 3: Cross multiply
    113,670.45x = 156,861.61 × 62,685.32
  4. Step 4: Simplify right side
    113,670.45x = 9,832,920,218.57
  5. Step 5: Solve for x
    x = 9,832,920,218.57/113,670.45
  6. Step 6: Final answer
    x = 86,503.75

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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.