Home / 65,977.40-98,966.10-58,719.80

Finding the Fourth Proportional to 65,977.40, 98,966.10 and 58,719.80

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Solution

The fourth proportional to 65,977.40, 98,966.10 and 58,719.80 is: 88,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977.40 : 98,966.10 = 58,719.80 : x
  2. Step 2: Convert to fraction form
    65,977.40/98,966.10 = 58,719.80/x
  3. Step 3: Cross multiply
    65,977.40x = 98,966.10 × 58,719.80
  4. Step 4: Simplify right side
    65,977.40x = 5,811,269,598.78
  5. Step 5: Solve for x
    x = 5,811,269,598.78/65,977.40
  6. Step 6: Final answer
    x = 88,079.70

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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.