Home / 77,773.19-116,678.30-25,182.65

Finding the Fourth Proportional to 77,773.19, 116,678.30 and 25,182.65

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Solution

The fourth proportional to 77,773.19, 116,678.30 and 25,182.65 is: 37,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773.19 : 116,678.30 = 25,182.65 : x
  2. Step 2: Convert to fraction form
    77,773.19/116,678.30 = 25,182.65/x
  3. Step 3: Cross multiply
    77,773.19x = 116,678.30 × 25,182.65
  4. Step 4: Simplify right side
    77,773.19x = 2,938,268,665.58
  5. Step 5: Solve for x
    x = 2,938,268,665.58/77,773.19
  6. Step 6: Final answer
    x = 37,779.97

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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.