Home / 76,192.12-114,179.28-42,842.19

Finding the Fourth Proportional to 76,192.12, 114,179.28 and 42,842.19

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Solution

The fourth proportional to 76,192.12, 114,179.28 and 42,842.19 is: 64,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.12 : 114,179.28 = 42,842.19 : x
  2. Step 2: Convert to fraction form
    76,192.12/114,179.28 = 42,842.19/x
  3. Step 3: Cross multiply
    76,192.12x = 114,179.28 × 42,842.19
  4. Step 4: Simplify right side
    76,192.12x = 4,891,690,407.82
  5. Step 5: Solve for x
    x = 4,891,690,407.82/76,192.12
  6. Step 6: Final answer
    x = 64,202.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.