Home / 98,799.94-136,306.70-64,827.18

Finding the Fourth Proportional to 98,799.94, 136,306.70 and 64,827.18

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Solution

The fourth proportional to 98,799.94, 136,306.70 and 64,827.18 is: 89,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,799.94 : 136,306.70 = 64,827.18 : x
  2. Step 2: Convert to fraction form
    98,799.94/136,306.70 = 64,827.18/x
  3. Step 3: Cross multiply
    98,799.94x = 136,306.70 × 64,827.18
  4. Step 4: Simplify right side
    98,799.94x = 8,836,378,976.11
  5. Step 5: Solve for x
    x = 8,836,378,976.11/98,799.94
  6. Step 6: Final answer
    x = 89,437.09

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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.