Home / 66,974.90-92,433.83-38,675.12

Finding the Fourth Proportional to 66,974.90, 92,433.83 and 38,675.12

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Solution

The fourth proportional to 66,974.90, 92,433.83 and 38,675.12 is: 53,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974.90 : 92,433.83 = 38,675.12 : x
  2. Step 2: Convert to fraction form
    66,974.90/92,433.83 = 38,675.12/x
  3. Step 3: Cross multiply
    66,974.90x = 92,433.83 × 38,675.12
  4. Step 4: Simplify right side
    66,974.90x = 3,574,888,811.76
  5. Step 5: Solve for x
    x = 3,574,888,811.76/66,974.90
  6. Step 6: Final answer
    x = 53,376.55

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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.