Home / 72,923.04-109,342.80-43,361.52

Finding the Fourth Proportional to 72,923.04, 109,342.80 and 43,361.52

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Solution

The fourth proportional to 72,923.04, 109,342.80 and 43,361.52 is: 65,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.04 : 109,342.80 = 43,361.52 : x
  2. Step 2: Convert to fraction form
    72,923.04/109,342.80 = 43,361.52/x
  3. Step 3: Cross multiply
    72,923.04x = 109,342.80 × 43,361.52
  4. Step 4: Simplify right side
    72,923.04x = 4,741,270,009.06
  5. Step 5: Solve for x
    x = 4,741,270,009.06/72,923.04
  6. Step 6: Final answer
    x = 65,017.45

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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.