Home / 48,689.76-73,043.04-15,409.28

Finding the Fourth Proportional to 48,689.76, 73,043.04 and 15,409.28

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Solution

The fourth proportional to 48,689.76, 73,043.04 and 15,409.28 is: 23,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.76 : 73,043.04 = 15,409.28 : x
  2. Step 2: Convert to fraction form
    48,689.76/73,043.04 = 15,409.28/x
  3. Step 3: Cross multiply
    48,689.76x = 73,043.04 × 15,409.28
  4. Step 4: Simplify right side
    48,689.76x = 1,125,540,655.41
  5. Step 5: Solve for x
    x = 1,125,540,655.41/48,689.76
  6. Step 6: Final answer
    x = 23,116.58

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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.