Home / 87,090.66-130,647.33-24,762.78

Finding the Fourth Proportional to 87,090.66, 130,647.33 and 24,762.78

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Solution

The fourth proportional to 87,090.66, 130,647.33 and 24,762.78 is: 37,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,090.66 : 130,647.33 = 24,762.78 : x
  2. Step 2: Convert to fraction form
    87,090.66/130,647.33 = 24,762.78/x
  3. Step 3: Cross multiply
    87,090.66x = 130,647.33 × 24,762.78
  4. Step 4: Simplify right side
    87,090.66x = 3,235,191,090.38
  5. Step 5: Solve for x
    x = 3,235,191,090.38/87,090.66
  6. Step 6: Final answer
    x = 37,147.39

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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.