Home / 75,275.55-112,932.29-53,132.18

Finding the Fourth Proportional to 75,275.55, 112,932.29 and 53,132.18

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Solution

The fourth proportional to 75,275.55, 112,932.29 and 53,132.18 is: 79,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.55 : 112,932.29 = 53,132.18 : x
  2. Step 2: Convert to fraction form
    75,275.55/112,932.29 = 53,132.18/x
  3. Step 3: Cross multiply
    75,275.55x = 112,932.29 × 53,132.18
  4. Step 4: Simplify right side
    75,275.55x = 6,000,338,328.26
  5. Step 5: Solve for x
    x = 6,000,338,328.26/75,275.55
  6. Step 6: Final answer
    x = 79,711.65

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1.5x scale

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.