Home / 67,515.40-101,272.80-37,515.52

Finding the Fourth Proportional to 67,515.40, 101,272.80 and 37,515.52

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Solution

The fourth proportional to 67,515.40, 101,272.80 and 37,515.52 is: 56,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.40 : 101,272.80 = 37,515.52 : x
  2. Step 2: Convert to fraction form
    67,515.40/101,272.80 = 37,515.52/x
  3. Step 3: Cross multiply
    67,515.40x = 101,272.80 × 37,515.52
  4. Step 4: Simplify right side
    67,515.40x = 3,799,301,753.86
  5. Step 5: Solve for x
    x = 3,799,301,753.86/67,515.40
  6. Step 6: Final answer
    x = 56,273.11

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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.