Home / 77,787.32-116,686.74-22,387.64

Finding the Fourth Proportional to 77,787.32, 116,686.74 and 22,387.64

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Solution

The fourth proportional to 77,787.32, 116,686.74 and 22,387.64 is: 33,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.32 : 116,686.74 = 22,387.64 : x
  2. Step 2: Convert to fraction form
    77,787.32/116,686.74 = 22,387.64/x
  3. Step 3: Cross multiply
    77,787.32x = 116,686.74 × 22,387.64
  4. Step 4: Simplify right side
    77,787.32x = 2,612,340,727.89
  5. Step 5: Solve for x
    x = 2,612,340,727.89/77,787.32
  6. Step 6: Final answer
    x = 33,583.12

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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.