Home / 90,494.67-124,897.56-50,221.42

Finding the Fourth Proportional to 90,494.67, 124,897.56 and 50,221.42

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Solution

The fourth proportional to 90,494.67, 124,897.56 and 50,221.42 is: 69,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.67 : 124,897.56 = 50,221.42 : x
  2. Step 2: Convert to fraction form
    90,494.67/124,897.56 = 50,221.42/x
  3. Step 3: Cross multiply
    90,494.67x = 124,897.56 × 50,221.42
  4. Step 4: Simplify right side
    90,494.67x = 6,272,532,817.74
  5. Step 5: Solve for x
    x = 6,272,532,817.74/90,494.67
  6. Step 6: Final answer
    x = 69,313.84

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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.