Home / 74,130.33-111,178.82-34,110.92

Finding the Fourth Proportional to 74,130.33, 111,178.82 and 34,110.92

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Solution

The fourth proportional to 74,130.33, 111,178.82 and 34,110.92 is: 51,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.33 : 111,178.82 = 34,110.92 : x
  2. Step 2: Convert to fraction form
    74,130.33/111,178.82 = 34,110.92/x
  3. Step 3: Cross multiply
    74,130.33x = 111,178.82 × 34,110.92
  4. Step 4: Simplify right side
    74,130.33x = 3,792,411,834.71
  5. Step 5: Solve for x
    x = 3,792,411,834.71/74,130.33
  6. Step 6: Final answer
    x = 51,158.71

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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.