Home / 99,625.62-137,483.44-54,302.66

Finding the Fourth Proportional to 99,625.62, 137,483.44 and 54,302.66

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Solution

The fourth proportional to 99,625.62, 137,483.44 and 54,302.66 is: 74,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625.62 : 137,483.44 = 54,302.66 : x
  2. Step 2: Convert to fraction form
    99,625.62/137,483.44 = 54,302.66/x
  3. Step 3: Cross multiply
    99,625.62x = 137,483.44 × 54,302.66
  4. Step 4: Simplify right side
    99,625.62x = 7,465,716,497.95
  5. Step 5: Solve for x
    x = 7,465,716,497.95/99,625.62
  6. Step 6: Final answer
    x = 74,937.72

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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.