Home / 49,142.97-67,795.95-31,228.38

Finding the Fourth Proportional to 49,142.97, 67,795.95 and 31,228.38

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Solution

The fourth proportional to 49,142.97, 67,795.95 and 31,228.38 is: 43,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.97 : 67,795.95 = 31,228.38 : x
  2. Step 2: Convert to fraction form
    49,142.97/67,795.95 = 31,228.38/x
  3. Step 3: Cross multiply
    49,142.97x = 67,795.95 × 31,228.38
  4. Step 4: Simplify right side
    49,142.97x = 2,117,157,689.06
  5. Step 5: Solve for x
    x = 2,117,157,689.06/49,142.97
  6. Step 6: Final answer
    x = 43,081.60

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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.