Home / 63,121.05-87,107.27-34,440.57

Finding the Fourth Proportional to 63,121.05, 87,107.27 and 34,440.57

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Solution

The fourth proportional to 63,121.05, 87,107.27 and 34,440.57 is: 47,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.05 : 87,107.27 = 34,440.57 : x
  2. Step 2: Convert to fraction form
    63,121.05/87,107.27 = 34,440.57/x
  3. Step 3: Cross multiply
    63,121.05x = 87,107.27 × 34,440.57
  4. Step 4: Simplify right side
    63,121.05x = 3,000,023,857.74
  5. Step 5: Solve for x
    x = 3,000,023,857.74/63,121.05
  6. Step 6: Final answer
    x = 47,528.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.