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Finding the Fourth Proportional to 74,208.28, 110,905.04 and 54,259.77

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Solution

The fourth proportional to 74,208.28, 110,905.04 and 54,259.77 is: 81,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.28 : 110,905.04 = 54,259.77 : x
  2. Step 2: Convert to fraction form
    74,208.28/110,905.04 = 54,259.77/x
  3. Step 3: Cross multiply
    74,208.28x = 110,905.04 × 54,259.77
  4. Step 4: Simplify right side
    74,208.28x = 6,017,681,690.94
  5. Step 5: Solve for x
    x = 6,017,681,690.94/74,208.28
  6. Step 6: Final answer
    x = 81,091.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.