Home / 65,989.40-98,984.10-58,731.80

Finding the Fourth Proportional to 65,989.40, 98,984.10 and 58,731.80

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Solution

The fourth proportional to 65,989.40, 98,984.10 and 58,731.80 is: 88,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.40 : 98,984.10 = 58,731.80 : x
  2. Step 2: Convert to fraction form
    65,989.40/98,984.10 = 58,731.80/x
  3. Step 3: Cross multiply
    65,989.40x = 98,984.10 × 58,731.80
  4. Step 4: Simplify right side
    65,989.40x = 5,813,514,364.38
  5. Step 5: Solve for x
    x = 5,813,514,364.38/65,989.40
  6. Step 6: Final answer
    x = 88,097.70

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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.