Home / 57,781.12-79,739.76-32,632.24

Finding the Fourth Proportional to 57,781.12, 79,739.76 and 32,632.24

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Solution

The fourth proportional to 57,781.12, 79,739.76 and 32,632.24 is: 45,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781.12 : 79,739.76 = 32,632.24 : x
  2. Step 2: Convert to fraction form
    57,781.12/79,739.76 = 32,632.24/x
  3. Step 3: Cross multiply
    57,781.12x = 79,739.76 × 32,632.24
  4. Step 4: Simplify right side
    57,781.12x = 2,602,086,985.86
  5. Step 5: Solve for x
    x = 2,602,086,985.86/57,781.12
  6. Step 6: Final answer
    x = 45,033.52

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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.