Home / 71,739.62-98,931.87-47,502.12

Finding the Fourth Proportional to 71,739.62, 98,931.87 and 47,502.12

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Solution

The fourth proportional to 71,739.62, 98,931.87 and 47,502.12 is: 65,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,739.62 : 98,931.87 = 47,502.12 : x
  2. Step 2: Convert to fraction form
    71,739.62/98,931.87 = 47,502.12/x
  3. Step 3: Cross multiply
    71,739.62x = 98,931.87 × 47,502.12
  4. Step 4: Simplify right side
    71,739.62x = 4,699,473,560.56
  5. Step 5: Solve for x
    x = 4,699,473,560.56/71,739.62
  6. Step 6: Final answer
    x = 65,507.37

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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.