Home / 54,787.76-75,606.84-29,637.20

Finding the Fourth Proportional to 54,787.76, 75,606.84 and 29,637.20

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Solution

The fourth proportional to 54,787.76, 75,606.84 and 29,637.20 is: 40,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.76 : 75,606.84 = 29,637.20 : x
  2. Step 2: Convert to fraction form
    54,787.76/75,606.84 = 29,637.20/x
  3. Step 3: Cross multiply
    54,787.76x = 75,606.84 × 29,637.20
  4. Step 4: Simplify right side
    54,787.76x = 2,240,775,038.45
  5. Step 5: Solve for x
    x = 2,240,775,038.45/54,787.76
  6. Step 6: Final answer
    x = 40,899.19

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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.