Home / 95,345.29-143,041.06-28,781.45

Finding the Fourth Proportional to 95,345.29, 143,041.06 and 28,781.45

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Solution

The fourth proportional to 95,345.29, 143,041.06 and 28,781.45 is: 43,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,345.29 : 143,041.06 = 28,781.45 : x
  2. Step 2: Convert to fraction form
    95,345.29/143,041.06 = 28,781.45/x
  3. Step 3: Cross multiply
    95,345.29x = 143,041.06 × 28,781.45
  4. Step 4: Simplify right side
    95,345.29x = 4,116,928,437.11
  5. Step 5: Solve for x
    x = 4,116,928,437.11/95,345.29
  6. Step 6: Final answer
    x = 43,179.15

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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.