Home / 70,374.20-97,116.33-38,108.80

Finding the Fourth Proportional to 70,374.20, 97,116.33 and 38,108.80

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Solution

The fourth proportional to 70,374.20, 97,116.33 and 38,108.80 is: 52,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.20 : 97,116.33 = 38,108.80 : x
  2. Step 2: Convert to fraction form
    70,374.20/97,116.33 = 38,108.80/x
  3. Step 3: Cross multiply
    70,374.20x = 97,116.33 × 38,108.80
  4. Step 4: Simplify right side
    70,374.20x = 3,700,986,553.91
  5. Step 5: Solve for x
    x = 3,700,986,553.91/70,374.20
  6. Step 6: Final answer
    x = 52,590.11

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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.