Home / 74,152.02-111,150.66-36,688.71

Finding the Fourth Proportional to 74,152.02, 111,150.66 and 36,688.71

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Solution

The fourth proportional to 74,152.02, 111,150.66 and 36,688.71 is: 54,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152.02 : 111,150.66 = 36,688.71 : x
  2. Step 2: Convert to fraction form
    74,152.02/111,150.66 = 36,688.71/x
  3. Step 3: Cross multiply
    74,152.02x = 111,150.66 × 36,688.71
  4. Step 4: Simplify right side
    74,152.02x = 4,077,974,331.05
  5. Step 5: Solve for x
    x = 4,077,974,331.05/74,152.02
  6. Step 6: Final answer
    x = 54,994.78

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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.