Home / 47,315.14-70,851.51-45,913.66

Finding the Fourth Proportional to 47,315.14, 70,851.51 and 45,913.66

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Solution

The fourth proportional to 47,315.14, 70,851.51 and 45,913.66 is: 68,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315.14 : 70,851.51 = 45,913.66 : x
  2. Step 2: Convert to fraction form
    47,315.14/70,851.51 = 45,913.66/x
  3. Step 3: Cross multiply
    47,315.14x = 70,851.51 × 45,913.66
  4. Step 4: Simplify right side
    47,315.14x = 3,253,052,140.63
  5. Step 5: Solve for x
    x = 3,253,052,140.63/47,315.14
  6. Step 6: Final answer
    x = 68,752.88

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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.