Home / 54,875.25-82,312.86-15,432.37

Finding the Fourth Proportional to 54,875.25, 82,312.86 and 15,432.37

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Solution

The fourth proportional to 54,875.25, 82,312.86 and 15,432.37 is: 23,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.25 : 82,312.86 = 15,432.37 : x
  2. Step 2: Convert to fraction form
    54,875.25/82,312.86 = 15,432.37/x
  3. Step 3: Cross multiply
    54,875.25x = 82,312.86 × 15,432.37
  4. Step 4: Simplify right side
    54,875.25x = 1,270,282,511.28
  5. Step 5: Solve for x
    x = 1,270,282,511.28/54,875.25
  6. Step 6: Final answer
    x = 23,148.55

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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.