Home / 48,718.86-73,080.32-15,438.19

Finding the Fourth Proportional to 48,718.86, 73,080.32 and 15,438.19

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Solution

The fourth proportional to 48,718.86, 73,080.32 and 15,438.19 is: 23,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.86 : 73,080.32 = 15,438.19 : x
  2. Step 2: Convert to fraction form
    48,718.86/73,080.32 = 15,438.19/x
  3. Step 3: Cross multiply
    48,718.86x = 73,080.32 × 15,438.19
  4. Step 4: Simplify right side
    48,718.86x = 1,128,227,721.32
  5. Step 5: Solve for x
    x = 1,128,227,721.32/48,718.86
  6. Step 6: Final answer
    x = 23,157.93

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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.