Home / 47,321.19-70,981.99-11,782.46

Finding the Fourth Proportional to 47,321.19, 70,981.99 and 11,782.46

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Solution

The fourth proportional to 47,321.19, 70,981.99 and 11,782.46 is: 17,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.19 : 70,981.99 = 11,782.46 : x
  2. Step 2: Convert to fraction form
    47,321.19/70,981.99 = 11,782.46/x
  3. Step 3: Cross multiply
    47,321.19x = 70,981.99 × 11,782.46
  4. Step 4: Simplify right side
    47,321.19x = 836,342,605.89
  5. Step 5: Solve for x
    x = 836,342,605.89/47,321.19
  6. Step 6: Final answer
    x = 17,673.74

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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.