Home / 57,685.44-79,567.20-45,151.68

Finding the Fourth Proportional to 57,685.44, 79,567.20 and 45,151.68

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Solution

The fourth proportional to 57,685.44, 79,567.20 and 45,151.68 is: 62,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.44 : 79,567.20 = 45,151.68 : x
  2. Step 2: Convert to fraction form
    57,685.44/79,567.20 = 45,151.68/x
  3. Step 3: Cross multiply
    57,685.44x = 79,567.20 × 45,151.68
  4. Step 4: Simplify right side
    57,685.44x = 3,592,592,752.90
  5. Step 5: Solve for x
    x = 3,592,592,752.90/57,685.44
  6. Step 6: Final answer
    x = 62,279.02

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1.5x scale

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.