Home / 95,036.23-142,455.92-78,219.62

Finding the Fourth Proportional to 95,036.23, 142,455.92 and 78,219.62

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Solution

The fourth proportional to 95,036.23, 142,455.92 and 78,219.62 is: 117,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,036.23 : 142,455.92 = 78,219.62 : x
  2. Step 2: Convert to fraction form
    95,036.23/142,455.92 = 78,219.62/x
  3. Step 3: Cross multiply
    95,036.23x = 142,455.92 × 78,219.62
  4. Step 4: Simplify right side
    95,036.23x = 11,142,847,412.42
  5. Step 5: Solve for x
    x = 11,142,847,412.42/95,036.23
  6. Step 6: Final answer
    x = 117,248.42

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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.