Home / 43,285.95-64,932.66-15,203.61

Finding the Fourth Proportional to 43,285.95, 64,932.66 and 15,203.61

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Solution

The fourth proportional to 43,285.95, 64,932.66 and 15,203.61 is: 22,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.95 : 64,932.66 = 15,203.61 : x
  2. Step 2: Convert to fraction form
    43,285.95/64,932.66 = 15,203.61/x
  3. Step 3: Cross multiply
    43,285.95x = 64,932.66 × 15,203.61
  4. Step 4: Simplify right side
    43,285.95x = 987,210,838.90
  5. Step 5: Solve for x
    x = 987,210,838.90/43,285.95
  6. Step 6: Final answer
    x = 22,806.73

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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.