Home / 58,220.10-87,200.55-45,000.90

Finding the Fourth Proportional to 58,220.10, 87,200.55 and 45,000.90

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Solution

The fourth proportional to 58,220.10, 87,200.55 and 45,000.90 is: 67,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.10 : 87,200.55 = 45,000.90 : x
  2. Step 2: Convert to fraction form
    58,220.10/87,200.55 = 45,000.90/x
  3. Step 3: Cross multiply
    58,220.10x = 87,200.55 × 45,000.90
  4. Step 4: Simplify right side
    58,220.10x = 3,924,103,230.50
  5. Step 5: Solve for x
    x = 3,924,103,230.50/58,220.10
  6. Step 6: Final answer
    x = 67,401.18

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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.