Home / 62,886.18-94,340.88-20,769.18

Finding the Fourth Proportional to 62,886.18, 94,340.88 and 20,769.18

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Solution

The fourth proportional to 62,886.18, 94,340.88 and 20,769.18 is: 31,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.18 : 94,340.88 = 20,769.18 : x
  2. Step 2: Convert to fraction form
    62,886.18/94,340.88 = 20,769.18/x
  3. Step 3: Cross multiply
    62,886.18x = 94,340.88 × 20,769.18
  4. Step 4: Simplify right side
    62,886.18x = 1,959,382,718.08
  5. Step 5: Solve for x
    x = 1,959,382,718.08/62,886.18
  6. Step 6: Final answer
    x = 31,157.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.