Home / 54,875.18-82,340.10-31,200.90

Finding the Fourth Proportional to 54,875.18, 82,340.10 and 31,200.90

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Solution

The fourth proportional to 54,875.18, 82,340.10 and 31,200.90 is: 46,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.18 : 82,340.10 = 31,200.90 : x
  2. Step 2: Convert to fraction form
    54,875.18/82,340.10 = 31,200.90/x
  3. Step 3: Cross multiply
    54,875.18x = 82,340.10 × 31,200.90
  4. Step 4: Simplify right side
    54,875.18x = 2,569,085,226.09
  5. Step 5: Solve for x
    x = 2,569,085,226.09/54,875.18
  6. Step 6: Final answer
    x = 46,816.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.