Home / 55,058.88-75,980.16-29,908.56

Finding the Fourth Proportional to 55,058.88, 75,980.16 and 29,908.56

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Solution

The fourth proportional to 55,058.88, 75,980.16 and 29,908.56 is: 41,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,058.88 : 75,980.16 = 29,908.56 : x
  2. Step 2: Convert to fraction form
    55,058.88/75,980.16 = 29,908.56/x
  3. Step 3: Cross multiply
    55,058.88x = 75,980.16 × 29,908.56
  4. Step 4: Simplify right side
    55,058.88x = 2,272,457,174.17
  5. Step 5: Solve for x
    x = 2,272,457,174.17/55,058.88
  6. Step 6: Final answer
    x = 41,273.22

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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.