Home / 99,854.17-137,793.18-56,832.37

Finding the Fourth Proportional to 99,854.17, 137,793.18 and 56,832.37

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Solution

The fourth proportional to 99,854.17, 137,793.18 and 56,832.37 is: 78,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.17 : 137,793.18 = 56,832.37 : x
  2. Step 2: Convert to fraction form
    99,854.17/137,793.18 = 56,832.37/x
  3. Step 3: Cross multiply
    99,854.17x = 137,793.18 × 56,832.37
  4. Step 4: Simplify right side
    99,854.17x = 7,831,112,989.24
  5. Step 5: Solve for x
    x = 7,831,112,989.24/99,854.17
  6. Step 6: Final answer
    x = 78,425.50

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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.