Home / 80,479.12-111,066.38-44,669.14

Finding the Fourth Proportional to 80,479.12, 111,066.38 and 44,669.14

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Solution

The fourth proportional to 80,479.12, 111,066.38 and 44,669.14 is: 61,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,479.12 : 111,066.38 = 44,669.14 : x
  2. Step 2: Convert to fraction form
    80,479.12/111,066.38 = 44,669.14/x
  3. Step 3: Cross multiply
    80,479.12x = 111,066.38 × 44,669.14
  4. Step 4: Simplify right side
    80,479.12x = 4,961,239,677.51
  5. Step 5: Solve for x
    x = 4,961,239,677.51/80,479.12
  6. Step 6: Final answer
    x = 61,646.30

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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.