Home / 70,704.16-97,572.06-38,439.09

Finding the Fourth Proportional to 70,704.16, 97,572.06 and 38,439.09

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Solution

The fourth proportional to 70,704.16, 97,572.06 and 38,439.09 is: 53,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.16 : 97,572.06 = 38,439.09 : x
  2. Step 2: Convert to fraction form
    70,704.16/97,572.06 = 38,439.09/x
  3. Step 3: Cross multiply
    70,704.16x = 97,572.06 × 38,439.09
  4. Step 4: Simplify right side
    70,704.16x = 3,750,581,195.83
  5. Step 5: Solve for x
    x = 3,750,581,195.83/70,704.16
  6. Step 6: Final answer
    x = 53,046.12

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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.