Home / 79,014.20-109,049.85-45,034.91

Finding the Fourth Proportional to 79,014.20, 109,049.85 and 45,034.91

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Solution

The fourth proportional to 79,014.20, 109,049.85 and 45,034.91 is: 62,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.20 : 109,049.85 = 45,034.91 : x
  2. Step 2: Convert to fraction form
    79,014.20/109,049.85 = 45,034.91/x
  3. Step 3: Cross multiply
    79,014.20x = 109,049.85 × 45,034.91
  4. Step 4: Simplify right side
    79,014.20x = 4,911,049,409.84
  5. Step 5: Solve for x
    x = 4,911,049,409.84/79,014.20
  6. Step 6: Final answer
    x = 62,154.01

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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.