Home / 95,345.61-143,041.53-28,781.76

Finding the Fourth Proportional to 95,345.61, 143,041.53 and 28,781.76

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Solution

The fourth proportional to 95,345.61, 143,041.53 and 28,781.76 is: 43,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,345.61 : 143,041.53 = 28,781.76 : x
  2. Step 2: Convert to fraction form
    95,345.61/143,041.53 = 28,781.76/x
  3. Step 3: Cross multiply
    95,345.61x = 143,041.53 × 28,781.76
  4. Step 4: Simplify right side
    95,345.61x = 4,116,986,986.49
  5. Step 5: Solve for x
    x = 4,116,986,986.49/95,345.61
  6. Step 6: Final answer
    x = 43,179.62

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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.