Home / 48,718.10-73,077.15-31,003.40

Finding the Fourth Proportional to 48,718.10, 73,077.15 and 31,003.40

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Solution

The fourth proportional to 48,718.10, 73,077.15 and 31,003.40 is: 46,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.10 : 73,077.15 = 31,003.40 : x
  2. Step 2: Convert to fraction form
    48,718.10/73,077.15 = 31,003.40/x
  3. Step 3: Cross multiply
    48,718.10x = 73,077.15 × 31,003.40
  4. Step 4: Simplify right side
    48,718.10x = 2,265,640,112.31
  5. Step 5: Solve for x
    x = 2,265,640,112.31/48,718.10
  6. Step 6: Final answer
    x = 46,505.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.