Home / 74,309.40-111,462.81-29,935.02

Finding the Fourth Proportional to 74,309.40, 111,462.81 and 29,935.02

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Solution

The fourth proportional to 74,309.40, 111,462.81 and 29,935.02 is: 44,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,309.40 : 111,462.81 = 29,935.02 : x
  2. Step 2: Convert to fraction form
    74,309.40/111,462.81 = 29,935.02/x
  3. Step 3: Cross multiply
    74,309.40x = 111,462.81 × 29,935.02
  4. Step 4: Simplify right side
    74,309.40x = 3,336,641,446.61
  5. Step 5: Solve for x
    x = 3,336,641,446.61/74,309.40
  6. Step 6: Final answer
    x = 44,902.01

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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.