Home / 54,840.96-75,680.51-29,690.46

Finding the Fourth Proportional to 54,840.96, 75,680.51 and 29,690.46

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Solution

The fourth proportional to 54,840.96, 75,680.51 and 29,690.46 is: 40,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.96 : 75,680.51 = 29,690.46 : x
  2. Step 2: Convert to fraction form
    54,840.96/75,680.51 = 29,690.46/x
  3. Step 3: Cross multiply
    54,840.96x = 75,680.51 × 29,690.46
  4. Step 4: Simplify right side
    54,840.96x = 2,246,989,006.48
  5. Step 5: Solve for x
    x = 2,246,989,006.48/54,840.96
  6. Step 6: Final answer
    x = 40,972.82

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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.