Home / 83,340.06-115,009.29-45,614.31

Finding the Fourth Proportional to 83,340.06, 115,009.29 and 45,614.31

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Solution

The fourth proportional to 83,340.06, 115,009.29 and 45,614.31 is: 62,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,340.06 : 115,009.29 = 45,614.31 : x
  2. Step 2: Convert to fraction form
    83,340.06/115,009.29 = 45,614.31/x
  3. Step 3: Cross multiply
    83,340.06x = 115,009.29 × 45,614.31
  4. Step 4: Simplify right side
    83,340.06x = 5,246,069,406.94
  5. Step 5: Solve for x
    x = 5,246,069,406.94/83,340.06
  6. Step 6: Final answer
    x = 62,947.75

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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.