Home / 90,551.76-124,965.96-50,269.20

Finding the Fourth Proportional to 90,551.76, 124,965.96 and 50,269.20

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Solution

The fourth proportional to 90,551.76, 124,965.96 and 50,269.20 is: 69,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.76 : 124,965.96 = 50,269.20 : x
  2. Step 2: Convert to fraction form
    90,551.76/124,965.96 = 50,269.20/x
  3. Step 3: Cross multiply
    90,551.76x = 124,965.96 × 50,269.20
  4. Step 4: Simplify right side
    90,551.76x = 6,281,938,836.43
  5. Step 5: Solve for x
    x = 6,281,938,836.43/90,551.76
  6. Step 6: Final answer
    x = 69,374.01

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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.