Home / 66,758.10-92,123.20-36,544.69

Finding the Fourth Proportional to 66,758.10, 92,123.20 and 36,544.69

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Solution

The fourth proportional to 66,758.10, 92,123.20 and 36,544.69 is: 50,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758.10 : 92,123.20 = 36,544.69 : x
  2. Step 2: Convert to fraction form
    66,758.10/92,123.20 = 36,544.69/x
  3. Step 3: Cross multiply
    66,758.10x = 92,123.20 × 36,544.69
  4. Step 4: Simplify right side
    66,758.10x = 3,366,613,785.81
  5. Step 5: Solve for x
    x = 3,366,613,785.81/66,758.10
  6. Step 6: Final answer
    x = 50,430.04

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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.