Home / 57,660.54-86,510.25-57,271.74

Finding the Fourth Proportional to 57,660.54, 86,510.25 and 57,271.74

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Solution

The fourth proportional to 57,660.54, 86,510.25 and 57,271.74 is: 85,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,660.54 : 86,510.25 = 57,271.74 : x
  2. Step 2: Convert to fraction form
    57,660.54/86,510.25 = 57,271.74/x
  3. Step 3: Cross multiply
    57,660.54x = 86,510.25 × 57,271.74
  4. Step 4: Simplify right side
    57,660.54x = 4,954,592,545.34
  5. Step 5: Solve for x
    x = 4,954,592,545.34/57,660.54
  6. Step 6: Final answer
    x = 85,926.92

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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.