Home / 77,916.39-116,902.40-25,326.06

Finding the Fourth Proportional to 77,916.39, 116,902.40 and 25,326.06

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Solution

The fourth proportional to 77,916.39, 116,902.40 and 25,326.06 is: 37,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916.39 : 116,902.40 = 25,326.06 : x
  2. Step 2: Convert to fraction form
    77,916.39/116,902.40 = 25,326.06/x
  3. Step 3: Cross multiply
    77,916.39x = 116,902.40 × 25,326.06
  4. Step 4: Simplify right side
    77,916.39x = 2,960,677,069.91
  5. Step 5: Solve for x
    x = 2,960,677,069.91/77,916.39
  6. Step 6: Final answer
    x = 37,998.13

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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.