Home / 74,465.48-111,537.81-34,963.40

Finding the Fourth Proportional to 74,465.48, 111,537.81 and 34,963.40

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Solution

The fourth proportional to 74,465.48, 111,537.81 and 34,963.40 is: 52,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.48 : 111,537.81 = 34,963.40 : x
  2. Step 2: Convert to fraction form
    74,465.48/111,537.81 = 34,963.40/x
  3. Step 3: Cross multiply
    74,465.48x = 111,537.81 × 34,963.40
  4. Step 4: Simplify right side
    74,465.48x = 3,899,740,508.46
  5. Step 5: Solve for x
    x = 3,899,740,508.46/74,465.48
  6. Step 6: Final answer
    x = 52,369.78

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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.