Home / 74,223.64-102,426.05-43,991.00

Finding the Fourth Proportional to 74,223.64, 102,426.05 and 43,991.00

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Solution

The fourth proportional to 74,223.64, 102,426.05 and 43,991.00 is: 60,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.64 : 102,426.05 = 43,991.00 : x
  2. Step 2: Convert to fraction form
    74,223.64/102,426.05 = 43,991.00/x
  3. Step 3: Cross multiply
    74,223.64x = 102,426.05 × 43,991.00
  4. Step 4: Simplify right side
    74,223.64x = 4,505,824,347.49
  5. Step 5: Solve for x
    x = 4,505,824,347.49/74,223.64
  6. Step 6: Final answer
    x = 60,706.05

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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.