Home / 89,864.20-124,014.18-49,580.20

Finding the Fourth Proportional to 89,864.20, 124,014.18 and 49,580.20

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Solution

The fourth proportional to 89,864.20, 124,014.18 and 49,580.20 is: 68,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.20 : 124,014.18 = 49,580.20 : x
  2. Step 2: Convert to fraction form
    89,864.20/124,014.18 = 49,580.20/x
  3. Step 3: Cross multiply
    89,864.20x = 124,014.18 × 49,580.20
  4. Step 4: Simplify right side
    89,864.20x = 6,148,647,847.24
  5. Step 5: Solve for x
    x = 6,148,647,847.24/89,864.20
  6. Step 6: Final answer
    x = 68,421.55

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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.