Home / 47,210.91-70,810.26-13,934.49

Finding the Fourth Proportional to 47,210.91, 70,810.26 and 13,934.49

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Solution

The fourth proportional to 47,210.91, 70,810.26 and 13,934.49 is: 20,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.91 : 70,810.26 = 13,934.49 : x
  2. Step 2: Convert to fraction form
    47,210.91/70,810.26 = 13,934.49/x
  3. Step 3: Cross multiply
    47,210.91x = 70,810.26 × 13,934.49
  4. Step 4: Simplify right side
    47,210.91x = 986,704,859.87
  5. Step 5: Solve for x
    x = 986,704,859.87/47,210.91
  6. Step 6: Final answer
    x = 20,899.93

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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.