Home / 83,970.04-125,929.16-27,798.54

Finding the Fourth Proportional to 83,970.04, 125,929.16 and 27,798.54

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Solution

The fourth proportional to 83,970.04, 125,929.16 and 27,798.54 is: 41,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,970.04 : 125,929.16 = 27,798.54 : x
  2. Step 2: Convert to fraction form
    83,970.04/125,929.16 = 27,798.54/x
  3. Step 3: Cross multiply
    83,970.04x = 125,929.16 × 27,798.54
  4. Step 4: Simplify right side
    83,970.04x = 3,500,646,791.43
  5. Step 5: Solve for x
    x = 3,500,646,791.43/83,970.04
  6. Step 6: Final answer
    x = 41,689.24

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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.