Home / 113,840.92-157,085.98-63,542.04

Finding the Fourth Proportional to 113,840.92, 157,085.98 and 63,542.04

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Solution

The fourth proportional to 113,840.92, 157,085.98 and 63,542.04 is: 87,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.92 : 157,085.98 = 63,542.04 : x
  2. Step 2: Convert to fraction form
    113,840.92/157,085.98 = 63,542.04/x
  3. Step 3: Cross multiply
    113,840.92x = 157,085.98 × 63,542.04
  4. Step 4: Simplify right side
    113,840.92x = 9,981,563,624.60
  5. Step 5: Solve for x
    x = 9,981,563,624.60/113,840.92
  6. Step 6: Final answer
    x = 87,679.93

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1.5x scale

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.