Home / 87,613.03-131,430.48-34,298.12

Finding the Fourth Proportional to 87,613.03, 131,430.48 and 34,298.12

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Solution

The fourth proportional to 87,613.03, 131,430.48 and 34,298.12 is: 51,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613.03 : 131,430.48 = 34,298.12 : x
  2. Step 2: Convert to fraction form
    87,613.03/131,430.48 = 34,298.12/x
  3. Step 3: Cross multiply
    87,613.03x = 131,430.48 × 34,298.12
  4. Step 4: Simplify right side
    87,613.03x = 4,507,817,960.38
  5. Step 5: Solve for x
    x = 4,507,817,960.38/87,613.03
  6. Step 6: Final answer
    x = 51,451.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.