Home / 84,478.04-126,721.26-25,308.08

Finding the Fourth Proportional to 84,478.04, 126,721.26 and 25,308.08

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Solution

The fourth proportional to 84,478.04, 126,721.26 and 25,308.08 is: 37,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478.04 : 126,721.26 = 25,308.08 : x
  2. Step 2: Convert to fraction form
    84,478.04/126,721.26 = 25,308.08/x
  3. Step 3: Cross multiply
    84,478.04x = 126,721.26 × 25,308.08
  4. Step 4: Simplify right side
    84,478.04x = 3,207,071,152.17
  5. Step 5: Solve for x
    x = 3,207,071,152.17/84,478.04
  6. Step 6: Final answer
    x = 37,963.37

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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.