Home / 57,929.04-86,886.68-15,812.55

Finding the Fourth Proportional to 57,929.04, 86,886.68 and 15,812.55

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Solution

The fourth proportional to 57,929.04, 86,886.68 and 15,812.55 is: 23,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.04 : 86,886.68 = 15,812.55 : x
  2. Step 2: Convert to fraction form
    57,929.04/86,886.68 = 15,812.55/x
  3. Step 3: Cross multiply
    57,929.04x = 86,886.68 × 15,812.55
  4. Step 4: Simplify right side
    57,929.04x = 1,373,899,892.77
  5. Step 5: Solve for x
    x = 1,373,899,892.77/57,929.04
  6. Step 6: Final answer
    x = 23,716.95

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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.