Home / 72,454.32-99,963.06-43,763.26

Finding the Fourth Proportional to 72,454.32, 99,963.06 and 43,763.26

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Solution

The fourth proportional to 72,454.32, 99,963.06 and 43,763.26 is: 60,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,454.32 : 99,963.06 = 43,763.26 : x
  2. Step 2: Convert to fraction form
    72,454.32/99,963.06 = 43,763.26/x
  3. Step 3: Cross multiply
    72,454.32x = 99,963.06 × 43,763.26
  4. Step 4: Simplify right side
    72,454.32x = 4,374,709,685.90
  5. Step 5: Solve for x
    x = 4,374,709,685.90/72,454.32
  6. Step 6: Final answer
    x = 60,378.86

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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.