Home / 57,415.12-86,124.30-15,862.12

Finding the Fourth Proportional to 57,415.12, 86,124.30 and 15,862.12

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Solution

The fourth proportional to 57,415.12, 86,124.30 and 15,862.12 is: 23,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.12 : 86,124.30 = 15,862.12 : x
  2. Step 2: Convert to fraction form
    57,415.12/86,124.30 = 15,862.12/x
  3. Step 3: Cross multiply
    57,415.12x = 86,124.30 × 15,862.12
  4. Step 4: Simplify right side
    57,415.12x = 1,366,113,981.52
  5. Step 5: Solve for x
    x = 1,366,113,981.52/57,415.12
  6. Step 6: Final answer
    x = 23,793.63

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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.