Home / 82,743.48-114,182.39-45,947.43

Finding the Fourth Proportional to 82,743.48, 114,182.39 and 45,947.43

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Solution

The fourth proportional to 82,743.48, 114,182.39 and 45,947.43 is: 63,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,743.48 : 114,182.39 = 45,947.43 : x
  2. Step 2: Convert to fraction form
    82,743.48/114,182.39 = 45,947.43/x
  3. Step 3: Cross multiply
    82,743.48x = 114,182.39 × 45,947.43
  4. Step 4: Simplify right side
    82,743.48x = 5,246,387,486.63
  5. Step 5: Solve for x
    x = 5,246,387,486.63/82,743.48
  6. Step 6: Final answer
    x = 63,405.45

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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.