Home / 51,316.88-77,385.68-50,615.15

Finding the Fourth Proportional to 51,316.88, 77,385.68 and 50,615.15

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Solution

The fourth proportional to 51,316.88, 77,385.68 and 50,615.15 is: 76,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,316.88 : 77,385.68 = 50,615.15 : x
  2. Step 2: Convert to fraction form
    51,316.88/77,385.68 = 50,615.15/x
  3. Step 3: Cross multiply
    51,316.88x = 77,385.68 × 50,615.15
  4. Step 4: Simplify right side
    51,316.88x = 3,916,887,350.85
  5. Step 5: Solve for x
    x = 3,916,887,350.85/51,316.88
  6. Step 6: Final answer
    x = 76,327.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.