Home / 74,085.72-111,126.06-34,588.68

Finding the Fourth Proportional to 74,085.72, 111,126.06 and 34,588.68

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Solution

The fourth proportional to 74,085.72, 111,126.06 and 34,588.68 is: 51,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085.72 : 111,126.06 = 34,588.68 : x
  2. Step 2: Convert to fraction form
    74,085.72/111,126.06 = 34,588.68/x
  3. Step 3: Cross multiply
    74,085.72x = 111,126.06 × 34,588.68
  4. Step 4: Simplify right side
    74,085.72x = 3,843,703,729.00
  5. Step 5: Solve for x
    x = 3,843,703,729.00/74,085.72
  6. Step 6: Final answer
    x = 51,881.84

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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.