Home / 113,811.92-157,045.96-63,513.04

Finding the Fourth Proportional to 113,811.92, 157,045.96 and 63,513.04

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Solution

The fourth proportional to 113,811.92, 157,045.96 and 63,513.04 is: 87,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,811.92 : 157,045.96 = 63,513.04 : x
  2. Step 2: Convert to fraction form
    113,811.92/157,045.96 = 63,513.04/x
  3. Step 3: Cross multiply
    113,811.92x = 157,045.96 × 63,513.04
  4. Step 4: Simplify right side
    113,811.92x = 9,974,466,339.32
  5. Step 5: Solve for x
    x = 9,974,466,339.32/113,811.92
  6. Step 6: Final answer
    x = 87,639.91

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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.