Home / 64,081.65-88,434-35,787.36

Finding the Fourth Proportional to 64,081.65, 88,434 and 35,787.36

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Solution

The fourth proportional to 64,081.65, 88,434 and 35,787.36 is: 49,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.65 : 88,434 = 35,787.36 : x
  2. Step 2: Convert to fraction form
    64,081.65/88,434 = 35,787.36/x
  3. Step 3: Cross multiply
    64,081.65x = 88,434 × 35,787.36
  4. Step 4: Simplify right side
    64,081.65x = 3,164,819,394.24
  5. Step 5: Solve for x
    x = 3,164,819,394.24/64,081.65
  6. Step 6: Final answer
    x = 49,387.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.