Home / 47,086.68-70,632-12,027.36

Finding the Fourth Proportional to 47,086.68, 70,632 and 12,027.36

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Solution

The fourth proportional to 47,086.68, 70,632 and 12,027.36 is: 18,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.68 : 70,632 = 12,027.36 : x
  2. Step 2: Convert to fraction form
    47,086.68/70,632 = 12,027.36/x
  3. Step 3: Cross multiply
    47,086.68x = 70,632 × 12,027.36
  4. Step 4: Simplify right side
    47,086.68x = 849,516,491.52
  5. Step 5: Solve for x
    x = 849,516,491.52/47,086.68
  6. Step 6: Final answer
    x = 18,041.55

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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.