Home / 74,318.68-111,505.32-34,356.92

Finding the Fourth Proportional to 74,318.68, 111,505.32 and 34,356.92

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Solution

The fourth proportional to 74,318.68, 111,505.32 and 34,356.92 is: 51,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.68 : 111,505.32 = 34,356.92 : x
  2. Step 2: Convert to fraction form
    74,318.68/111,505.32 = 34,356.92/x
  3. Step 3: Cross multiply
    74,318.68x = 111,505.32 × 34,356.92
  4. Step 4: Simplify right side
    74,318.68x = 3,830,979,358.81
  5. Step 5: Solve for x
    x = 3,830,979,358.81/74,318.68
  6. Step 6: Final answer
    x = 51,548.00

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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.