Home / 83,340.38-115,009.73-45,614.63

Finding the Fourth Proportional to 83,340.38, 115,009.73 and 45,614.63

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Solution

The fourth proportional to 83,340.38, 115,009.73 and 45,614.63 is: 62,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,340.38 : 115,009.73 = 45,614.63 : x
  2. Step 2: Convert to fraction form
    83,340.38/115,009.73 = 45,614.63/x
  3. Step 3: Cross multiply
    83,340.38x = 115,009.73 × 45,614.63
  4. Step 4: Simplify right side
    83,340.38x = 5,246,125,477.23
  5. Step 5: Solve for x
    x = 5,246,125,477.23/83,340.38
  6. Step 6: Final answer
    x = 62,948.19

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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.