Home / 71,189.06-98,242.96-39,360.02

Finding the Fourth Proportional to 71,189.06, 98,242.96 and 39,360.02

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Solution

The fourth proportional to 71,189.06, 98,242.96 and 39,360.02 is: 54,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189.06 : 98,242.96 = 39,360.02 : x
  2. Step 2: Convert to fraction form
    71,189.06/98,242.96 = 39,360.02/x
  3. Step 3: Cross multiply
    71,189.06x = 98,242.96 × 39,360.02
  4. Step 4: Simplify right side
    71,189.06x = 3,866,844,280.84
  5. Step 5: Solve for x
    x = 3,866,844,280.84/71,189.06
  6. Step 6: Final answer
    x = 54,317.95

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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.