Home / 66,732.51-92,124.18-38,432.73

Finding the Fourth Proportional to 66,732.51, 92,124.18 and 38,432.73

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Solution

The fourth proportional to 66,732.51, 92,124.18 and 38,432.73 is: 53,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732.51 : 92,124.18 = 38,432.73 : x
  2. Step 2: Convert to fraction form
    66,732.51/92,124.18 = 38,432.73/x
  3. Step 3: Cross multiply
    66,732.51x = 92,124.18 × 38,432.73
  4. Step 4: Simplify right side
    66,732.51x = 3,540,583,736.41
  5. Step 5: Solve for x
    x = 3,540,583,736.41/66,732.51
  6. Step 6: Final answer
    x = 53,056.35

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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.