Home / 90,398.42-124,749.81-50,112.08

Finding the Fourth Proportional to 90,398.42, 124,749.81 and 50,112.08

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Solution

The fourth proportional to 90,398.42, 124,749.81 and 50,112.08 is: 69,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.42 : 124,749.81 = 50,112.08 : x
  2. Step 2: Convert to fraction form
    90,398.42/124,749.81 = 50,112.08/x
  3. Step 3: Cross multiply
    90,398.42x = 124,749.81 × 50,112.08
  4. Step 4: Simplify right side
    90,398.42x = 6,251,471,834.96
  5. Step 5: Solve for x
    x = 6,251,471,834.96/90,398.42
  6. Step 6: Final answer
    x = 69,154.66

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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.