Home / 81,750.39-122,632.71-22,586.13

Finding the Fourth Proportional to 81,750.39, 122,632.71 and 22,586.13

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Solution

The fourth proportional to 81,750.39, 122,632.71 and 22,586.13 is: 33,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,750.39 : 122,632.71 = 22,586.13 : x
  2. Step 2: Convert to fraction form
    81,750.39/122,632.71 = 22,586.13/x
  3. Step 3: Cross multiply
    81,750.39x = 122,632.71 × 22,586.13
  4. Step 4: Simplify right side
    81,750.39x = 2,769,798,330.31
  5. Step 5: Solve for x
    x = 2,769,798,330.31/81,750.39
  6. Step 6: Final answer
    x = 33,881.16

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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.