Home / 99,385.53-137,155.64-56,952.27

Finding the Fourth Proportional to 99,385.53, 137,155.64 and 56,952.27

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Solution

The fourth proportional to 99,385.53, 137,155.64 and 56,952.27 is: 78,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.53 : 137,155.64 = 56,952.27 : x
  2. Step 2: Convert to fraction form
    99,385.53/137,155.64 = 56,952.27/x
  3. Step 3: Cross multiply
    99,385.53x = 137,155.64 × 56,952.27
  4. Step 4: Simplify right side
    99,385.53x = 7,811,324,756.54
  5. Step 5: Solve for x
    x = 7,811,324,756.54/99,385.53
  6. Step 6: Final answer
    x = 78,596.20

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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.