Home / 113,350.80-156,417.84-63,046.56

Finding the Fourth Proportional to 113,350.80, 156,417.84 and 63,046.56

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Solution

The fourth proportional to 113,350.80, 156,417.84 and 63,046.56 is: 87,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,350.80 : 156,417.84 = 63,046.56 : x
  2. Step 2: Convert to fraction form
    113,350.80/156,417.84 = 63,046.56/x
  3. Step 3: Cross multiply
    113,350.80x = 156,417.84 × 63,046.56
  4. Step 4: Simplify right side
    113,350.80x = 9,861,606,734.63
  5. Step 5: Solve for x
    x = 9,861,606,734.63/113,350.80
  6. Step 6: Final answer
    x = 87,000.77

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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.