Home / 90,261.16-124,560.90-49,976.20

Finding the Fourth Proportional to 90,261.16, 124,560.90 and 49,976.20

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Solution

The fourth proportional to 90,261.16, 124,560.90 and 49,976.20 is: 68,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261.16 : 124,560.90 = 49,976.20 : x
  2. Step 2: Convert to fraction form
    90,261.16/124,560.90 = 49,976.20/x
  3. Step 3: Cross multiply
    90,261.16x = 124,560.90 × 49,976.20
  4. Step 4: Simplify right side
    90,261.16x = 6,225,080,450.58
  5. Step 5: Solve for x
    x = 6,225,080,450.58/90,261.16
  6. Step 6: Final answer
    x = 68,967.43

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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.