Home / 57,987.20-87,013.20-24,701.60

Finding the Fourth Proportional to 57,987.20, 87,013.20 and 24,701.60

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Solution

The fourth proportional to 57,987.20, 87,013.20 and 24,701.60 is: 37,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.20 : 87,013.20 = 24,701.60 : x
  2. Step 2: Convert to fraction form
    57,987.20/87,013.20 = 24,701.60/x
  3. Step 3: Cross multiply
    57,987.20x = 87,013.20 × 24,701.60
  4. Step 4: Simplify right side
    57,987.20x = 2,149,365,261.12
  5. Step 5: Solve for x
    x = 2,149,365,261.12/57,987.20
  6. Step 6: Final answer
    x = 37,066.20

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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.