Home / 90,737.19-125,214.04-49,900.97

Finding the Fourth Proportional to 90,737.19, 125,214.04 and 49,900.97

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Solution

The fourth proportional to 90,737.19, 125,214.04 and 49,900.97 is: 68,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.19 : 125,214.04 = 49,900.97 : x
  2. Step 2: Convert to fraction form
    90,737.19/125,214.04 = 49,900.97/x
  3. Step 3: Cross multiply
    90,737.19x = 125,214.04 × 49,900.97
  4. Step 4: Simplify right side
    90,737.19x = 6,248,301,427.55
  5. Step 5: Solve for x
    x = 6,248,301,427.55/90,737.19
  6. Step 6: Final answer
    x = 68,861.53

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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.