Home / 57,812.76-86,719.20-22,733.28

Finding the Fourth Proportional to 57,812.76, 86,719.20 and 22,733.28

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Solution

The fourth proportional to 57,812.76, 86,719.20 and 22,733.28 is: 34,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.76 : 86,719.20 = 22,733.28 : x
  2. Step 2: Convert to fraction form
    57,812.76/86,719.20 = 22,733.28/x
  3. Step 3: Cross multiply
    57,812.76x = 86,719.20 × 22,733.28
  4. Step 4: Simplify right side
    57,812.76x = 1,971,411,854.98
  5. Step 5: Solve for x
    x = 1,971,411,854.98/57,812.76
  6. Step 6: Final answer
    x = 34,099.94

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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.