Home / 90,374.03-124,712.96-50,091.53

Finding the Fourth Proportional to 90,374.03, 124,712.96 and 50,091.53

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Solution

The fourth proportional to 90,374.03, 124,712.96 and 50,091.53 is: 69,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.03 : 124,712.96 = 50,091.53 : x
  2. Step 2: Convert to fraction form
    90,374.03/124,712.96 = 50,091.53/x
  3. Step 3: Cross multiply
    90,374.03x = 124,712.96 × 50,091.53
  4. Step 4: Simplify right side
    90,374.03x = 6,247,063,038.55
  5. Step 5: Solve for x
    x = 6,247,063,038.55/90,374.03
  6. Step 6: Final answer
    x = 69,124.54

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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.