Home / 82,947.51-114,462.32-54,691.47

Finding the Fourth Proportional to 82,947.51, 114,462.32 and 54,691.47

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Solution

The fourth proportional to 82,947.51, 114,462.32 and 54,691.47 is: 75,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.51 : 114,462.32 = 54,691.47 : x
  2. Step 2: Convert to fraction form
    82,947.51/114,462.32 = 54,691.47/x
  3. Step 3: Cross multiply
    82,947.51x = 114,462.32 × 54,691.47
  4. Step 4: Simplify right side
    82,947.51x = 6,260,112,266.95
  5. Step 5: Solve for x
    x = 6,260,112,266.95/82,947.51
  6. Step 6: Final answer
    x = 75,470.77

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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.