Home / 54,920.16-75,790.32-29,769.72

Finding the Fourth Proportional to 54,920.16, 75,790.32 and 29,769.72

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Solution

The fourth proportional to 54,920.16, 75,790.32 and 29,769.72 is: 41,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.16 : 75,790.32 = 29,769.72 : x
  2. Step 2: Convert to fraction form
    54,920.16/75,790.32 = 29,769.72/x
  3. Step 3: Cross multiply
    54,920.16x = 75,790.32 × 29,769.72
  4. Step 4: Simplify right side
    54,920.16x = 2,256,256,605.11
  5. Step 5: Solve for x
    x = 2,256,256,605.11/54,920.16
  6. Step 6: Final answer
    x = 41,082.48

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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.