Home / 57,688.67-86,528.88-15,571.14

Finding the Fourth Proportional to 57,688.67, 86,528.88 and 15,571.14

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Solution

The fourth proportional to 57,688.67, 86,528.88 and 15,571.14 is: 23,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.67 : 86,528.88 = 15,571.14 : x
  2. Step 2: Convert to fraction form
    57,688.67/86,528.88 = 15,571.14/x
  3. Step 3: Cross multiply
    57,688.67x = 86,528.88 × 15,571.14
  4. Step 4: Simplify right side
    57,688.67x = 1,347,353,304.52
  5. Step 5: Solve for x
    x = 1,347,353,304.52/57,688.67
  6. Step 6: Final answer
    x = 23,355.60

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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.