Home / 99,937.03-137,913.46-54,615.04

Finding the Fourth Proportional to 99,937.03, 137,913.46 and 54,615.04

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Solution

The fourth proportional to 99,937.03, 137,913.46 and 54,615.04 is: 75,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,937.03 : 137,913.46 = 54,615.04 : x
  2. Step 2: Convert to fraction form
    99,937.03/137,913.46 = 54,615.04/x
  3. Step 3: Cross multiply
    99,937.03x = 137,913.46 × 54,615.04
  4. Step 4: Simplify right side
    99,937.03x = 7,532,148,649.68
  5. Step 5: Solve for x
    x = 7,532,148,649.68/99,937.03
  6. Step 6: Final answer
    x = 75,368.95

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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.