Home / 66,123.84-99,185.05-26,680.28

Finding the Fourth Proportional to 66,123.84, 99,185.05 and 26,680.28

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Solution

The fourth proportional to 66,123.84, 99,185.05 and 26,680.28 is: 40,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,123.84 : 99,185.05 = 26,680.28 : x
  2. Step 2: Convert to fraction form
    66,123.84/99,185.05 = 26,680.28/x
  3. Step 3: Cross multiply
    66,123.84x = 99,185.05 × 26,680.28
  4. Step 4: Simplify right side
    66,123.84x = 2,646,284,772.41
  5. Step 5: Solve for x
    x = 2,646,284,772.41/66,123.84
  6. Step 6: Final answer
    x = 40,020.13

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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.