Home / 45,620.52-68,432.67-15,655.36

Finding the Fourth Proportional to 45,620.52, 68,432.67 and 15,655.36

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Solution

The fourth proportional to 45,620.52, 68,432.67 and 15,655.36 is: 23,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.52 : 68,432.67 = 15,655.36 : x
  2. Step 2: Convert to fraction form
    45,620.52/68,432.67 = 15,655.36/x
  3. Step 3: Cross multiply
    45,620.52x = 68,432.67 × 15,655.36
  4. Step 4: Simplify right side
    45,620.52x = 1,071,338,085.87
  5. Step 5: Solve for x
    x = 1,071,338,085.87/45,620.52
  6. Step 6: Final answer
    x = 23,483.69

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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.