Home / 65,258.13-90,099.65-50,123.79

Finding the Fourth Proportional to 65,258.13, 90,099.65 and 50,123.79

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Solution

The fourth proportional to 65,258.13, 90,099.65 and 50,123.79 is: 69,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,258.13 : 90,099.65 = 50,123.79 : x
  2. Step 2: Convert to fraction form
    65,258.13/90,099.65 = 50,123.79/x
  3. Step 3: Cross multiply
    65,258.13x = 90,099.65 × 50,123.79
  4. Step 4: Simplify right side
    65,258.13x = 4,516,135,935.67
  5. Step 5: Solve for x
    x = 4,516,135,935.67/65,258.13
  6. Step 6: Final answer
    x = 69,204.19

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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.