Home / 99,749.27-137,671.85-59,465.64

Finding the Fourth Proportional to 99,749.27, 137,671.85 and 59,465.64

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Solution

The fourth proportional to 99,749.27, 137,671.85 and 59,465.64 is: 82,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,749.27 : 137,671.85 = 59,465.64 : x
  2. Step 2: Convert to fraction form
    99,749.27/137,671.85 = 59,465.64/x
  3. Step 3: Cross multiply
    99,749.27x = 137,671.85 × 59,465.64
  4. Step 4: Simplify right side
    99,749.27x = 8,186,745,335.17
  5. Step 5: Solve for x
    x = 8,186,745,335.17/99,749.27
  6. Step 6: Final answer
    x = 82,073.23

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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.