Home / 57,806.19-86,711.09-15,686.14

Finding the Fourth Proportional to 57,806.19, 86,711.09 and 15,686.14

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Solution

The fourth proportional to 57,806.19, 86,711.09 and 15,686.14 is: 23,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.19 : 86,711.09 = 15,686.14 : x
  2. Step 2: Convert to fraction form
    57,806.19/86,711.09 = 15,686.14/x
  3. Step 3: Cross multiply
    57,806.19x = 86,711.09 × 15,686.14
  4. Step 4: Simplify right side
    57,806.19x = 1,360,162,297.29
  5. Step 5: Solve for x
    x = 1,360,162,297.29/57,806.19
  6. Step 6: Final answer
    x = 23,529.70

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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.