Home / 54,374.18-74,998.41-52,545.35

Finding the Fourth Proportional to 54,374.18, 74,998.41 and 52,545.35

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Solution

The fourth proportional to 54,374.18, 74,998.41 and 52,545.35 is: 72,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.18 : 74,998.41 = 52,545.35 : x
  2. Step 2: Convert to fraction form
    54,374.18/74,998.41 = 52,545.35/x
  3. Step 3: Cross multiply
    54,374.18x = 74,998.41 × 52,545.35
  4. Step 4: Simplify right side
    54,374.18x = 3,940,817,702.89
  5. Step 5: Solve for x
    x = 3,940,817,702.89/54,374.18
  6. Step 6: Final answer
    x = 72,475.90

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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.