Home / 87,000.76-130,501.91-34,410.25

Finding the Fourth Proportional to 87,000.76, 130,501.91 and 34,410.25

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Solution

The fourth proportional to 87,000.76, 130,501.91 and 34,410.25 is: 51,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.76 : 130,501.91 = 34,410.25 : x
  2. Step 2: Convert to fraction form
    87,000.76/130,501.91 = 34,410.25/x
  3. Step 3: Cross multiply
    87,000.76x = 130,501.91 × 34,410.25
  4. Step 4: Simplify right side
    87,000.76x = 4,490,603,348.58
  5. Step 5: Solve for x
    x = 4,490,603,348.58/87,000.76
  6. Step 6: Final answer
    x = 51,615.68

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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.