Home / 90,566.40-124,975.62-50,278.20

Finding the Fourth Proportional to 90,566.40, 124,975.62 and 50,278.20

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Solution

The fourth proportional to 90,566.40, 124,975.62 and 50,278.20 is: 69,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.40 : 124,975.62 = 50,278.20 : x
  2. Step 2: Convert to fraction form
    90,566.40/124,975.62 = 50,278.20/x
  3. Step 3: Cross multiply
    90,566.40x = 124,975.62 × 50,278.20
  4. Step 4: Simplify right side
    90,566.40x = 6,283,549,217.48
  5. Step 5: Solve for x
    x = 6,283,549,217.48/90,566.40
  6. Step 6: Final answer
    x = 69,380.58

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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.