Home / 70,319.16-97,036.70-38,481.90

Finding the Fourth Proportional to 70,319.16, 97,036.70 and 38,481.90

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Solution

The fourth proportional to 70,319.16, 97,036.70 and 38,481.90 is: 53,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,319.16 : 97,036.70 = 38,481.90 : x
  2. Step 2: Convert to fraction form
    70,319.16/97,036.70 = 38,481.90/x
  3. Step 3: Cross multiply
    70,319.16x = 97,036.70 × 38,481.90
  4. Step 4: Simplify right side
    70,319.16x = 3,734,156,585.73
  5. Step 5: Solve for x
    x = 3,734,156,585.73/70,319.16
  6. Step 6: Final answer
    x = 53,102.97

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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.