Home / 101,035.18-151,508.81-28,972.22

Finding the Fourth Proportional to 101,035.18, 151,508.81 and 28,972.22

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Solution

The fourth proportional to 101,035.18, 151,508.81 and 28,972.22 is: 43,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,035.18 : 151,508.81 = 28,972.22 : x
  2. Step 2: Convert to fraction form
    101,035.18/151,508.81 = 28,972.22/x
  3. Step 3: Cross multiply
    101,035.18x = 151,508.81 × 28,972.22
  4. Step 4: Simplify right side
    101,035.18x = 4,389,545,890.14
  5. Step 5: Solve for x
    x = 4,389,545,890.14/101,035.18
  6. Step 6: Final answer
    x = 43,445.72

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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.