Home / 57,711.48-86,566.30-29,615.31

Finding the Fourth Proportional to 57,711.48, 86,566.30 and 29,615.31

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Solution

The fourth proportional to 57,711.48, 86,566.30 and 29,615.31 is: 44,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.48 : 86,566.30 = 29,615.31 : x
  2. Step 2: Convert to fraction form
    57,711.48/86,566.30 = 29,615.31/x
  3. Step 3: Cross multiply
    57,711.48x = 86,566.30 × 29,615.31
  4. Step 4: Simplify right side
    57,711.48x = 2,563,687,810.05
  5. Step 5: Solve for x
    x = 2,563,687,810.05/57,711.48
  6. Step 6: Final answer
    x = 44,422.49

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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.