Home / 70,197.18-96,872.10-38,366.20

Finding the Fourth Proportional to 70,197.18, 96,872.10 and 38,366.20

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Solution

The fourth proportional to 70,197.18, 96,872.10 and 38,366.20 is: 52,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,197.18 : 96,872.10 = 38,366.20 : x
  2. Step 2: Convert to fraction form
    70,197.18/96,872.10 = 38,366.20/x
  3. Step 3: Cross multiply
    70,197.18x = 96,872.10 × 38,366.20
  4. Step 4: Simplify right side
    70,197.18x = 3,716,614,363.02
  5. Step 5: Solve for x
    x = 3,716,614,363.02/70,197.18
  6. Step 6: Final answer
    x = 52,945.35

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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.