Home / 47,069.78-70,616.63-13,335.76

Finding the Fourth Proportional to 47,069.78, 70,616.63 and 13,335.76

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Solution

The fourth proportional to 47,069.78, 70,616.63 and 13,335.76 is: 20,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,069.78 : 70,616.63 = 13,335.76 : x
  2. Step 2: Convert to fraction form
    47,069.78/70,616.63 = 13,335.76/x
  3. Step 3: Cross multiply
    47,069.78x = 70,616.63 × 13,335.76
  4. Step 4: Simplify right side
    47,069.78x = 941,726,277.68
  5. Step 5: Solve for x
    x = 941,726,277.68/47,069.78
  6. Step 6: Final answer
    x = 20,007.03

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1.5x scale

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.