Home / 92,813.12-128,082.18-50,371.66

Finding the Fourth Proportional to 92,813.12, 128,082.18 and 50,371.66

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Solution

The fourth proportional to 92,813.12, 128,082.18 and 50,371.66 is: 69,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.12 : 128,082.18 = 50,371.66 : x
  2. Step 2: Convert to fraction form
    92,813.12/128,082.18 = 50,371.66/x
  3. Step 3: Cross multiply
    92,813.12x = 128,082.18 × 50,371.66
  4. Step 4: Simplify right side
    92,813.12x = 6,451,712,023.02
  5. Step 5: Solve for x
    x = 6,451,712,023.02/92,813.12
  6. Step 6: Final answer
    x = 69,512.93

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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.