Home / 83,968.74-125,929.71-27,813.24

Finding the Fourth Proportional to 83,968.74, 125,929.71 and 27,813.24

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Solution

The fourth proportional to 83,968.74, 125,929.71 and 27,813.24 is: 41,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,968.74 : 125,929.71 = 27,813.24 : x
  2. Step 2: Convert to fraction form
    83,968.74/125,929.71 = 27,813.24/x
  3. Step 3: Cross multiply
    83,968.74x = 125,929.71 × 27,813.24
  4. Step 4: Simplify right side
    83,968.74x = 3,502,513,247.36
  5. Step 5: Solve for x
    x = 3,502,513,247.36/83,968.74
  6. Step 6: Final answer
    x = 41,712.11

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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.