Home / 66,742.16-92,123.88-38,467.76

Finding the Fourth Proportional to 66,742.16, 92,123.88 and 38,467.76

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Solution

The fourth proportional to 66,742.16, 92,123.88 and 38,467.76 is: 53,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.16 : 92,123.88 = 38,467.76 : x
  2. Step 2: Convert to fraction form
    66,742.16/92,123.88 = 38,467.76/x
  3. Step 3: Cross multiply
    66,742.16x = 92,123.88 × 38,467.76
  4. Step 4: Simplify right side
    66,742.16x = 3,543,799,306.11
  5. Step 5: Solve for x
    x = 3,543,799,306.11/66,742.16
  6. Step 6: Final answer
    x = 53,096.86

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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.