Home / 84,810.24-127,069.56-66,083.04

Finding the Fourth Proportional to 84,810.24, 127,069.56 and 66,083.04

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Solution

The fourth proportional to 84,810.24, 127,069.56 and 66,083.04 is: 99,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,810.24 : 127,069.56 = 66,083.04 : x
  2. Step 2: Convert to fraction form
    84,810.24/127,069.56 = 66,083.04/x
  3. Step 3: Cross multiply
    84,810.24x = 127,069.56 × 66,083.04
  4. Step 4: Simplify right side
    84,810.24x = 8,397,142,816.26
  5. Step 5: Solve for x
    x = 8,397,142,816.26/84,810.24
  6. Step 6: Final answer
    x = 99,010.95

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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.