Home / 66,945.91-92,385.35-38,266.18

Finding the Fourth Proportional to 66,945.91, 92,385.35 and 38,266.18

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Solution

The fourth proportional to 66,945.91, 92,385.35 and 38,266.18 is: 52,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.91 : 92,385.35 = 38,266.18 : x
  2. Step 2: Convert to fraction form
    66,945.91/92,385.35 = 38,266.18/x
  3. Step 3: Cross multiply
    66,945.91x = 92,385.35 × 38,266.18
  4. Step 4: Simplify right side
    66,945.91x = 3,535,234,749.44
  5. Step 5: Solve for x
    x = 3,535,234,749.44/66,945.91
  6. Step 6: Final answer
    x = 52,807.33

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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.