Home / 98,402.04-135,790.02-55,959.66

Finding the Fourth Proportional to 98,402.04, 135,790.02 and 55,959.66

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Solution

The fourth proportional to 98,402.04, 135,790.02 and 55,959.66 is: 77,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,402.04 : 135,790.02 = 55,959.66 : x
  2. Step 2: Convert to fraction form
    98,402.04/135,790.02 = 55,959.66/x
  3. Step 3: Cross multiply
    98,402.04x = 135,790.02 × 55,959.66
  4. Step 4: Simplify right side
    98,402.04x = 7,598,763,350.59
  5. Step 5: Solve for x
    x = 7,598,763,350.59/98,402.04
  6. Step 6: Final answer
    x = 77,221.60

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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.