Home / 80,168.16-110,564.40-60,072.48

Finding the Fourth Proportional to 80,168.16, 110,564.40 and 60,072.48

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Solution

The fourth proportional to 80,168.16, 110,564.40 and 60,072.48 is: 82,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,168.16 : 110,564.40 = 60,072.48 : x
  2. Step 2: Convert to fraction form
    80,168.16/110,564.40 = 60,072.48/x
  3. Step 3: Cross multiply
    80,168.16x = 110,564.40 × 60,072.48
  4. Step 4: Simplify right side
    80,168.16x = 6,641,877,707.71
  5. Step 5: Solve for x
    x = 6,641,877,707.71/80,168.16
  6. Step 6: Final answer
    x = 82,849.32

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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.