Home / 49,647.14-68,484.38-31,490.95

Finding the Fourth Proportional to 49,647.14, 68,484.38 and 31,490.95

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Solution

The fourth proportional to 49,647.14, 68,484.38 and 31,490.95 is: 43,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.14 : 68,484.38 = 31,490.95 : x
  2. Step 2: Convert to fraction form
    49,647.14/68,484.38 = 31,490.95/x
  3. Step 3: Cross multiply
    49,647.14x = 68,484.38 × 31,490.95
  4. Step 4: Simplify right side
    49,647.14x = 2,156,637,686.48
  5. Step 5: Solve for x
    x = 2,156,637,686.48/49,647.14
  6. Step 6: Final answer
    x = 43,439.31

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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.