Home / 66,888.06-92,306.26-38,211.52

Finding the Fourth Proportional to 66,888.06, 92,306.26 and 38,211.52

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Solution

The fourth proportional to 66,888.06, 92,306.26 and 38,211.52 is: 52,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.06 : 92,306.26 = 38,211.52 : x
  2. Step 2: Convert to fraction form
    66,888.06/92,306.26 = 38,211.52/x
  3. Step 3: Cross multiply
    66,888.06x = 92,306.26 × 38,211.52
  4. Step 4: Simplify right side
    66,888.06x = 3,527,162,500.12
  5. Step 5: Solve for x
    x = 3,527,162,500.12/66,888.06
  6. Step 6: Final answer
    x = 52,732.32

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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.