Home / 90,415.59-124,777.44-50,126.79

Finding the Fourth Proportional to 90,415.59, 124,777.44 and 50,126.79

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Solution

The fourth proportional to 90,415.59, 124,777.44 and 50,126.79 is: 69,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,415.59 : 124,777.44 = 50,126.79 : x
  2. Step 2: Convert to fraction form
    90,415.59/124,777.44 = 50,126.79/x
  3. Step 3: Cross multiply
    90,415.59x = 124,777.44 × 50,126.79
  4. Step 4: Simplify right side
    90,415.59x = 6,254,692,531.62
  5. Step 5: Solve for x
    x = 6,254,692,531.62/90,415.59
  6. Step 6: Final answer
    x = 69,177.15

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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.