Home / 83,127.06-114,721.20-47,317.08

Finding the Fourth Proportional to 83,127.06, 114,721.20 and 47,317.08

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Solution

The fourth proportional to 83,127.06, 114,721.20 and 47,317.08 is: 65,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.06 : 114,721.20 = 47,317.08 : x
  2. Step 2: Convert to fraction form
    83,127.06/114,721.20 = 47,317.08/x
  3. Step 3: Cross multiply
    83,127.06x = 114,721.20 × 47,317.08
  4. Step 4: Simplify right side
    83,127.06x = 5,428,272,198.10
  5. Step 5: Solve for x
    x = 5,428,272,198.10/83,127.06
  6. Step 6: Final answer
    x = 65,300.90

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1.5x scale

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.