Home / 75,172.19-112,748.56-35,754.35

Finding the Fourth Proportional to 75,172.19, 112,748.56 and 35,754.35

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Solution

The fourth proportional to 75,172.19, 112,748.56 and 35,754.35 is: 53,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172.19 : 112,748.56 = 35,754.35 : x
  2. Step 2: Convert to fraction form
    75,172.19/112,748.56 = 35,754.35/x
  3. Step 3: Cross multiply
    75,172.19x = 112,748.56 × 35,754.35
  4. Step 4: Simplify right side
    75,172.19x = 4,031,250,823.11
  5. Step 5: Solve for x
    x = 4,031,250,823.11/75,172.19
  6. Step 6: Final answer
    x = 53,626.89

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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.