Home / 52,483.78-72,427.06-28,609.95

Finding the Fourth Proportional to 52,483.78, 72,427.06 and 28,609.95

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Solution

The fourth proportional to 52,483.78, 72,427.06 and 28,609.95 is: 39,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.78 : 72,427.06 = 28,609.95 : x
  2. Step 2: Convert to fraction form
    52,483.78/72,427.06 = 28,609.95/x
  3. Step 3: Cross multiply
    52,483.78x = 72,427.06 × 28,609.95
  4. Step 4: Simplify right side
    52,483.78x = 2,072,134,565.25
  5. Step 5: Solve for x
    x = 2,072,134,565.25/52,483.78
  6. Step 6: Final answer
    x = 39,481.43

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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.