Home / 70,612.01-97,449.34-38,781.24

Finding the Fourth Proportional to 70,612.01, 97,449.34 and 38,781.24

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Solution

The fourth proportional to 70,612.01, 97,449.34 and 38,781.24 is: 53,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,612.01 : 97,449.34 = 38,781.24 : x
  2. Step 2: Convert to fraction form
    70,612.01/97,449.34 = 38,781.24/x
  3. Step 3: Cross multiply
    70,612.01x = 97,449.34 × 38,781.24
  4. Step 4: Simplify right side
    70,612.01x = 3,779,206,242.38
  5. Step 5: Solve for x
    x = 3,779,206,242.38/70,612.01
  6. Step 6: Final answer
    x = 53,520.73

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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.