Home / 48,916.40-67,506.09-31,007.30

Finding the Fourth Proportional to 48,916.40, 67,506.09 and 31,007.30

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Solution

The fourth proportional to 48,916.40, 67,506.09 and 31,007.30 is: 42,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.40 : 67,506.09 = 31,007.30 : x
  2. Step 2: Convert to fraction form
    48,916.40/67,506.09 = 31,007.30/x
  3. Step 3: Cross multiply
    48,916.40x = 67,506.09 × 31,007.30
  4. Step 4: Simplify right side
    48,916.40x = 2,093,181,584.46
  5. Step 5: Solve for x
    x = 2,093,181,584.46/48,916.40
  6. Step 6: Final answer
    x = 42,791.00

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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.