Home / 70,531.53-97,335.99-38,700.69

Finding the Fourth Proportional to 70,531.53, 97,335.99 and 38,700.69

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Solution

The fourth proportional to 70,531.53, 97,335.99 and 38,700.69 is: 53,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.53 : 97,335.99 = 38,700.69 : x
  2. Step 2: Convert to fraction form
    70,531.53/97,335.99 = 38,700.69/x
  3. Step 3: Cross multiply
    70,531.53x = 97,335.99 × 38,700.69
  4. Step 4: Simplify right side
    70,531.53x = 3,766,969,974.83
  5. Step 5: Solve for x
    x = 3,766,969,974.83/70,531.53
  6. Step 6: Final answer
    x = 53,408.31

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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.