Home / 74,591.76-111,936.72-35,160

Finding the Fourth Proportional to 74,591.76, 111,936.72 and 35,160

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Solution

The fourth proportional to 74,591.76, 111,936.72 and 35,160 is: 52,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.76 : 111,936.72 = 35,160 : x
  2. Step 2: Convert to fraction form
    74,591.76/111,936.72 = 35,160/x
  3. Step 3: Cross multiply
    74,591.76x = 111,936.72 × 35,160
  4. Step 4: Simplify right side
    74,591.76x = 3,935,695,075.20
  5. Step 5: Solve for x
    x = 3,935,695,075.20/74,591.76
  6. Step 6: Final answer
    x = 52,763.13

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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.