Home / 99,445.04-137,251.20-63,633.32

Finding the Fourth Proportional to 99,445.04, 137,251.20 and 63,633.32

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Solution

The fourth proportional to 99,445.04, 137,251.20 and 63,633.32 is: 87,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445.04 : 137,251.20 = 63,633.32 : x
  2. Step 2: Convert to fraction form
    99,445.04/137,251.20 = 63,633.32/x
  3. Step 3: Cross multiply
    99,445.04x = 137,251.20 × 63,633.32
  4. Step 4: Simplify right side
    99,445.04x = 8,733,749,529.98
  5. Step 5: Solve for x
    x = 8,733,749,529.98/99,445.04
  6. Step 6: Final answer
    x = 87,824.89

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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.