Home / 54,781.13-75,598.10-29,630.63

Finding the Fourth Proportional to 54,781.13, 75,598.10 and 29,630.63

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Solution

The fourth proportional to 54,781.13, 75,598.10 and 29,630.63 is: 40,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.13 : 75,598.10 = 29,630.63 : x
  2. Step 2: Convert to fraction form
    54,781.13/75,598.10 = 29,630.63/x
  3. Step 3: Cross multiply
    54,781.13x = 75,598.10 × 29,630.63
  4. Step 4: Simplify right side
    54,781.13x = 2,240,018,803.66
  5. Step 5: Solve for x
    x = 2,240,018,803.66/54,781.13
  6. Step 6: Final answer
    x = 40,890.34

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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.