Home / 88,359.52-121,934.79-48,072.36

Finding the Fourth Proportional to 88,359.52, 121,934.79 and 48,072.36

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Solution

The fourth proportional to 88,359.52, 121,934.79 and 48,072.36 is: 66,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,359.52 : 121,934.79 = 48,072.36 : x
  2. Step 2: Convert to fraction form
    88,359.52/121,934.79 = 48,072.36/x
  3. Step 3: Cross multiply
    88,359.52x = 121,934.79 × 48,072.36
  4. Step 4: Simplify right side
    88,359.52x = 5,861,693,121.40
  5. Step 5: Solve for x
    x = 5,861,693,121.40/88,359.52
  6. Step 6: Final answer
    x = 66,339.13

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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.