Home / 91,020.32-136,472.16-44,247.68

Finding the Fourth Proportional to 91,020.32, 136,472.16 and 44,247.68

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Solution

The fourth proportional to 91,020.32, 136,472.16 and 44,247.68 is: 66,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.32 : 136,472.16 = 44,247.68 : x
  2. Step 2: Convert to fraction form
    91,020.32/136,472.16 = 44,247.68/x
  3. Step 3: Cross multiply
    91,020.32x = 136,472.16 × 44,247.68
  4. Step 4: Simplify right side
    91,020.32x = 6,038,576,464.59
  5. Step 5: Solve for x
    x = 6,038,576,464.59/91,020.32
  6. Step 6: Final answer
    x = 66,343.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.