Home / 54,380.52-75,038.22-31,726.98

Finding the Fourth Proportional to 54,380.52, 75,038.22 and 31,726.98

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Solution

The fourth proportional to 54,380.52, 75,038.22 and 31,726.98 is: 43,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.52 : 75,038.22 = 31,726.98 : x
  2. Step 2: Convert to fraction form
    54,380.52/75,038.22 = 31,726.98/x
  3. Step 3: Cross multiply
    54,380.52x = 75,038.22 × 31,726.98
  4. Step 4: Simplify right side
    54,380.52x = 2,380,736,105.18
  5. Step 5: Solve for x
    x = 2,380,736,105.18/54,380.52
  6. Step 6: Final answer
    x = 43,779.21

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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.