Home / 88,203.38-121,731.10-52,393.53

Finding the Fourth Proportional to 88,203.38, 121,731.10 and 52,393.53

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Solution

The fourth proportional to 88,203.38, 121,731.10 and 52,393.53 is: 72,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,203.38 : 121,731.10 = 52,393.53 : x
  2. Step 2: Convert to fraction form
    88,203.38/121,731.10 = 52,393.53/x
  3. Step 3: Cross multiply
    88,203.38x = 121,731.10 × 52,393.53
  4. Step 4: Simplify right side
    88,203.38x = 6,377,922,082.14
  5. Step 5: Solve for x
    x = 6,377,922,082.14/88,203.38
  6. Step 6: Final answer
    x = 72,309.27

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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.