Home / 79,013.58-109,049.02-45,034.22

Finding the Fourth Proportional to 79,013.58, 109,049.02 and 45,034.22

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Solution

The fourth proportional to 79,013.58, 109,049.02 and 45,034.22 is: 62,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.58 : 109,049.02 = 45,034.22 : x
  2. Step 2: Convert to fraction form
    79,013.58/109,049.02 = 45,034.22/x
  3. Step 3: Cross multiply
    79,013.58x = 109,049.02 × 45,034.22
  4. Step 4: Simplify right side
    79,013.58x = 4,910,937,557.46
  5. Step 5: Solve for x
    x = 4,910,937,557.46/79,013.58
  6. Step 6: Final answer
    x = 62,153.08

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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.