Home / 74,637.39-111,856.02-36,628.55

Finding the Fourth Proportional to 74,637.39, 111,856.02 and 36,628.55

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Solution

The fourth proportional to 74,637.39, 111,856.02 and 36,628.55 is: 54,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637.39 : 111,856.02 = 36,628.55 : x
  2. Step 2: Convert to fraction form
    74,637.39/111,856.02 = 36,628.55/x
  3. Step 3: Cross multiply
    74,637.39x = 111,856.02 × 36,628.55
  4. Step 4: Simplify right side
    74,637.39x = 4,097,123,821.37
  5. Step 5: Solve for x
    x = 4,097,123,821.37/74,637.39
  6. Step 6: Final answer
    x = 54,893.72

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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.