Home / 77,780.64-116,787.60-44,538.24

Finding the Fourth Proportional to 77,780.64, 116,787.60 and 44,538.24

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Solution

The fourth proportional to 77,780.64, 116,787.60 and 44,538.24 is: 66,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,780.64 : 116,787.60 = 44,538.24 : x
  2. Step 2: Convert to fraction form
    77,780.64/116,787.60 = 44,538.24/x
  3. Step 3: Cross multiply
    77,780.64x = 116,787.60 × 44,538.24
  4. Step 4: Simplify right side
    77,780.64x = 5,201,514,157.82
  5. Step 5: Solve for x
    x = 5,201,514,157.82/77,780.64
  6. Step 6: Final answer
    x = 66,874.15

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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.