Home / 75,207.74-112,686.53-52,974.15

Finding the Fourth Proportional to 75,207.74, 112,686.53 and 52,974.15

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Solution

The fourth proportional to 75,207.74, 112,686.53 and 52,974.15 is: 79,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,207.74 : 112,686.53 = 52,974.15 : x
  2. Step 2: Convert to fraction form
    75,207.74/112,686.53 = 52,974.15/x
  3. Step 3: Cross multiply
    75,207.74x = 112,686.53 × 52,974.15
  4. Step 4: Simplify right side
    75,207.74x = 5,969,473,275.63
  5. Step 5: Solve for x
    x = 5,969,473,275.63/75,207.74
  6. Step 6: Final answer
    x = 79,373.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.