Home / 74,332.13-111,537.89-34,889.59

Finding the Fourth Proportional to 74,332.13, 111,537.89 and 34,889.59

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Solution

The fourth proportional to 74,332.13, 111,537.89 and 34,889.59 is: 52,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.13 : 111,537.89 = 34,889.59 : x
  2. Step 2: Convert to fraction form
    74,332.13/111,537.89 = 34,889.59/x
  3. Step 3: Cross multiply
    74,332.13x = 111,537.89 × 34,889.59
  4. Step 4: Simplify right side
    74,332.13x = 3,891,510,519.43
  5. Step 5: Solve for x
    x = 3,891,510,519.43/74,332.13
  6. Step 6: Final answer
    x = 52,353.01

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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.