Home / 79,882.72-110,234-45,867.60

Finding the Fourth Proportional to 79,882.72, 110,234 and 45,867.60

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Solution

The fourth proportional to 79,882.72, 110,234 and 45,867.60 is: 63,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,882.72 : 110,234 = 45,867.60 : x
  2. Step 2: Convert to fraction form
    79,882.72/110,234 = 45,867.60/x
  3. Step 3: Cross multiply
    79,882.72x = 110,234 × 45,867.60
  4. Step 4: Simplify right side
    79,882.72x = 5,056,169,018.40
  5. Step 5: Solve for x
    x = 5,056,169,018.40/79,882.72
  6. Step 6: Final answer
    x = 63,294.90

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1.5x scale

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.