Home / 98,242.47-135,591.02-57,966.21

Finding the Fourth Proportional to 98,242.47, 135,591.02 and 57,966.21

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Solution

The fourth proportional to 98,242.47, 135,591.02 and 57,966.21 is: 80,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,242.47 : 135,591.02 = 57,966.21 : x
  2. Step 2: Convert to fraction form
    98,242.47/135,591.02 = 57,966.21/x
  3. Step 3: Cross multiply
    98,242.47x = 135,591.02 × 57,966.21
  4. Step 4: Simplify right side
    98,242.47x = 7,859,697,249.60
  5. Step 5: Solve for x
    x = 7,859,697,249.60/98,242.47
  6. Step 6: Final answer
    x = 80,003.05

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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.