Home / 66,769.25-92,146.01-38,476.76

Finding the Fourth Proportional to 66,769.25, 92,146.01 and 38,476.76

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Solution

The fourth proportional to 66,769.25, 92,146.01 and 38,476.76 is: 53,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,769.25 : 92,146.01 = 38,476.76 : x
  2. Step 2: Convert to fraction form
    66,769.25/92,146.01 = 38,476.76/x
  3. Step 3: Cross multiply
    66,769.25x = 92,146.01 × 38,476.76
  4. Step 4: Simplify right side
    66,769.25x = 3,545,479,258.61
  5. Step 5: Solve for x
    x = 3,545,479,258.61/66,769.25
  6. Step 6: Final answer
    x = 53,100.48

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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.