Home / 65,332.98-90,126.27-38,474.19

Finding the Fourth Proportional to 65,332.98, 90,126.27 and 38,474.19

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Solution

The fourth proportional to 65,332.98, 90,126.27 and 38,474.19 is: 53,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,332.98 : 90,126.27 = 38,474.19 : x
  2. Step 2: Convert to fraction form
    65,332.98/90,126.27 = 38,474.19/x
  3. Step 3: Cross multiply
    65,332.98x = 90,126.27 × 38,474.19
  4. Step 4: Simplify right side
    65,332.98x = 3,467,535,235.97
  5. Step 5: Solve for x
    x = 3,467,535,235.97/65,332.98
  6. Step 6: Final answer
    x = 53,074.81

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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.