Home / 54,973.22-75,816.21-42,257.18

Finding the Fourth Proportional to 54,973.22, 75,816.21 and 42,257.18

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Solution

The fourth proportional to 54,973.22, 75,816.21 and 42,257.18 is: 58,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.22 : 75,816.21 = 42,257.18 : x
  2. Step 2: Convert to fraction form
    54,973.22/75,816.21 = 42,257.18/x
  3. Step 3: Cross multiply
    54,973.22x = 75,816.21 × 42,257.18
  4. Step 4: Simplify right side
    54,973.22x = 3,203,779,232.89
  5. Step 5: Solve for x
    x = 3,203,779,232.89/54,973.22
  6. Step 6: Final answer
    x = 58,278.91

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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.