Home / 47,516.16-70,964.10-40,420.56

Finding the Fourth Proportional to 47,516.16, 70,964.10 and 40,420.56

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Solution

The fourth proportional to 47,516.16, 70,964.10 and 40,420.56 is: 60,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.16 : 70,964.10 = 40,420.56 : x
  2. Step 2: Convert to fraction form
    47,516.16/70,964.10 = 40,420.56/x
  3. Step 3: Cross multiply
    47,516.16x = 70,964.10 × 40,420.56
  4. Step 4: Simplify right side
    47,516.16x = 2,868,408,661.90
  5. Step 5: Solve for x
    x = 2,868,408,661.90/47,516.16
  6. Step 6: Final answer
    x = 60,367.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.