Home / 100,730.13-151,073.60-41,550.45

Finding the Fourth Proportional to 100,730.13, 151,073.60 and 41,550.45

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Solution

The fourth proportional to 100,730.13, 151,073.60 and 41,550.45 is: 62,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,730.13 : 151,073.60 = 41,550.45 : x
  2. Step 2: Convert to fraction form
    100,730.13/151,073.60 = 41,550.45/x
  3. Step 3: Cross multiply
    100,730.13x = 151,073.60 × 41,550.45
  4. Step 4: Simplify right side
    100,730.13x = 6,277,175,855.37
  5. Step 5: Solve for x
    x = 6,277,175,855.37/100,730.13
  6. Step 6: Final answer
    x = 62,316.77

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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.