Home / 48,712.80-73,071.33-15,435.32

Finding the Fourth Proportional to 48,712.80, 73,071.33 and 15,435.32

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Solution

The fourth proportional to 48,712.80, 73,071.33 and 15,435.32 is: 23,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.80 : 73,071.33 = 15,435.32 : x
  2. Step 2: Convert to fraction form
    48,712.80/73,071.33 = 15,435.32/x
  3. Step 3: Cross multiply
    48,712.80x = 73,071.33 × 15,435.32
  4. Step 4: Simplify right side
    48,712.80x = 1,127,878,918.84
  5. Step 5: Solve for x
    x = 1,127,878,918.84/48,712.80
  6. Step 6: Final answer
    x = 23,153.65

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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.