Home / 58,416.80-87,542.38-45,207.68

Finding the Fourth Proportional to 58,416.80, 87,542.38 and 45,207.68

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Solution

The fourth proportional to 58,416.80, 87,542.38 and 45,207.68 is: 67,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,416.80 : 87,542.38 = 45,207.68 : x
  2. Step 2: Convert to fraction form
    58,416.80/87,542.38 = 45,207.68/x
  3. Step 3: Cross multiply
    58,416.80x = 87,542.38 × 45,207.68
  4. Step 4: Simplify right side
    58,416.80x = 3,957,587,901.48
  5. Step 5: Solve for x
    x = 3,957,587,901.48/58,416.80
  6. Step 6: Final answer
    x = 67,747.43

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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.