Home / 76,191.90-105,145.12-44,382.66

Finding the Fourth Proportional to 76,191.90, 105,145.12 and 44,382.66

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Solution

The fourth proportional to 76,191.90, 105,145.12 and 44,382.66 is: 61,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,191.90 : 105,145.12 = 44,382.66 : x
  2. Step 2: Convert to fraction form
    76,191.90/105,145.12 = 44,382.66/x
  3. Step 3: Cross multiply
    76,191.90x = 105,145.12 × 44,382.66
  4. Step 4: Simplify right side
    76,191.90x = 4,666,620,111.62
  5. Step 5: Solve for x
    x = 4,666,620,111.62/76,191.90
  6. Step 6: Final answer
    x = 61,248.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.