Home / 57,433.47-86,140.49-15,870.75

Finding the Fourth Proportional to 57,433.47, 86,140.49 and 15,870.75

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Solution

The fourth proportional to 57,433.47, 86,140.49 and 15,870.75 is: 23,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.47 : 86,140.49 = 15,870.75 : x
  2. Step 2: Convert to fraction form
    57,433.47/86,140.49 = 15,870.75/x
  3. Step 3: Cross multiply
    57,433.47x = 86,140.49 × 15,870.75
  4. Step 4: Simplify right side
    57,433.47x = 1,367,114,102.31
  5. Step 5: Solve for x
    x = 1,367,114,102.31/57,433.47
  6. Step 6: Final answer
    x = 23,803.44

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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.