Home / 95,445.03-143,032.14-70,287.78

Finding the Fourth Proportional to 95,445.03, 143,032.14 and 70,287.78

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Solution

The fourth proportional to 95,445.03, 143,032.14 and 70,287.78 is: 105,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,445.03 : 143,032.14 = 70,287.78 : x
  2. Step 2: Convert to fraction form
    95,445.03/143,032.14 = 70,287.78/x
  3. Step 3: Cross multiply
    95,445.03x = 143,032.14 × 70,287.78
  4. Step 4: Simplify right side
    95,445.03x = 10,053,410,522.65
  5. Step 5: Solve for x
    x = 10,053,410,522.65/95,445.03
  6. Step 6: Final answer
    x = 105,331.95

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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.