Home / 90,407.94-124,770.33-50,134.32

Finding the Fourth Proportional to 90,407.94, 124,770.33 and 50,134.32

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Solution

The fourth proportional to 90,407.94, 124,770.33 and 50,134.32 is: 69,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,407.94 : 124,770.33 = 50,134.32 : x
  2. Step 2: Convert to fraction form
    90,407.94/124,770.33 = 50,134.32/x
  3. Step 3: Cross multiply
    90,407.94x = 124,770.33 × 50,134.32
  4. Step 4: Simplify right side
    90,407.94x = 6,255,275,650.73
  5. Step 5: Solve for x
    x = 6,255,275,650.73/90,407.94
  6. Step 6: Final answer
    x = 69,189.45

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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.