Home / 79,740.04-119,610.06-54,704.20

Finding the Fourth Proportional to 79,740.04, 119,610.06 and 54,704.20

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Solution

The fourth proportional to 79,740.04, 119,610.06 and 54,704.20 is: 82,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740.04 : 119,610.06 = 54,704.20 : x
  2. Step 2: Convert to fraction form
    79,740.04/119,610.06 = 54,704.20/x
  3. Step 3: Cross multiply
    79,740.04x = 119,610.06 × 54,704.20
  4. Step 4: Simplify right side
    79,740.04x = 6,543,172,644.25
  5. Step 5: Solve for x
    x = 6,543,172,644.25/79,740.04
  6. Step 6: Final answer
    x = 82,056.30

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1.5x scale

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.