Home / 49,382.53-68,148.08-45,615.31

Finding the Fourth Proportional to 49,382.53, 68,148.08 and 45,615.31

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Solution

The fourth proportional to 49,382.53, 68,148.08 and 45,615.31 is: 62,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,382.53 : 68,148.08 = 45,615.31 : x
  2. Step 2: Convert to fraction form
    49,382.53/68,148.08 = 45,615.31/x
  3. Step 3: Cross multiply
    49,382.53x = 68,148.08 × 45,615.31
  4. Step 4: Simplify right side
    49,382.53x = 3,108,595,795.10
  5. Step 5: Solve for x
    x = 3,108,595,795.10/49,382.53
  6. Step 6: Final answer
    x = 62,949.30

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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.