Home / 113,827.50-157,085.19-63,529.74

Finding the Fourth Proportional to 113,827.50, 157,085.19 and 63,529.74

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Solution

The fourth proportional to 113,827.50, 157,085.19 and 63,529.74 is: 87,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.50 : 157,085.19 = 63,529.74 : x
  2. Step 2: Convert to fraction form
    113,827.50/157,085.19 = 63,529.74/x
  3. Step 3: Cross multiply
    113,827.50x = 157,085.19 × 63,529.74
  4. Step 4: Simplify right side
    113,827.50x = 9,979,581,278.55
  5. Step 5: Solve for x
    x = 9,979,581,278.55/113,827.50
  6. Step 6: Final answer
    x = 87,672.85

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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.