Home / 54,857.76-75,703.26-29,707.26

Finding the Fourth Proportional to 54,857.76, 75,703.26 and 29,707.26

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Solution

The fourth proportional to 54,857.76, 75,703.26 and 29,707.26 is: 40,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.76 : 75,703.26 = 29,707.26 : x
  2. Step 2: Convert to fraction form
    54,857.76/75,703.26 = 29,707.26/x
  3. Step 3: Cross multiply
    54,857.76x = 75,703.26 × 29,707.26
  4. Step 4: Simplify right side
    54,857.76x = 2,248,936,427.67
  5. Step 5: Solve for x
    x = 2,248,936,427.67/54,857.76
  6. Step 6: Final answer
    x = 40,995.78

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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.