Home / 80,409.06-110,965-44,599.15

Finding the Fourth Proportional to 80,409.06, 110,965 and 44,599.15

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Solution

The fourth proportional to 80,409.06, 110,965 and 44,599.15 is: 61,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409.06 : 110,965 = 44,599.15 : x
  2. Step 2: Convert to fraction form
    80,409.06/110,965 = 44,599.15/x
  3. Step 3: Cross multiply
    80,409.06x = 110,965 × 44,599.15
  4. Step 4: Simplify right side
    80,409.06x = 4,948,944,679.75
  5. Step 5: Solve for x
    x = 4,948,944,679.75/80,409.06
  6. Step 6: Final answer
    x = 61,547.10

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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.