Home / 58,172.04-87,287.22-23,121.72

Finding the Fourth Proportional to 58,172.04, 87,287.22 and 23,121.72

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Solution

The fourth proportional to 58,172.04, 87,287.22 and 23,121.72 is: 34,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.04 : 87,287.22 = 23,121.72 : x
  2. Step 2: Convert to fraction form
    58,172.04/87,287.22 = 23,121.72/x
  3. Step 3: Cross multiply
    58,172.04x = 87,287.22 × 23,121.72
  4. Step 4: Simplify right side
    58,172.04x = 2,018,230,660.42
  5. Step 5: Solve for x
    x = 2,018,230,660.42/58,172.04
  6. Step 6: Final answer
    x = 34,694.17

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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.