Home / 47,117.62-65,037.47-30,167.52

Finding the Fourth Proportional to 47,117.62, 65,037.47 and 30,167.52

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Solution

The fourth proportional to 47,117.62, 65,037.47 and 30,167.52 is: 41,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,117.62 : 65,037.47 = 30,167.52 : x
  2. Step 2: Convert to fraction form
    47,117.62/65,037.47 = 30,167.52/x
  3. Step 3: Cross multiply
    47,117.62x = 65,037.47 × 30,167.52
  4. Step 4: Simplify right side
    47,117.62x = 1,962,018,851.79
  5. Step 5: Solve for x
    x = 1,962,018,851.79/47,117.62
  6. Step 6: Final answer
    x = 41,640.87

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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.