Home / 79,909.89-110,242.02-56,052.15

Finding the Fourth Proportional to 79,909.89, 110,242.02 and 56,052.15

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Solution

The fourth proportional to 79,909.89, 110,242.02 and 56,052.15 is: 77,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,909.89 : 110,242.02 = 56,052.15 : x
  2. Step 2: Convert to fraction form
    79,909.89/110,242.02 = 56,052.15/x
  3. Step 3: Cross multiply
    79,909.89x = 110,242.02 × 56,052.15
  4. Step 4: Simplify right side
    79,909.89x = 6,179,302,241.34
  5. Step 5: Solve for x
    x = 6,179,302,241.34/79,909.89
  6. Step 6: Final answer
    x = 77,328.38

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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.