Home / 100,730.06-151,046.47-58,619.54

Finding the Fourth Proportional to 100,730.06, 151,046.47 and 58,619.54

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Solution

The fourth proportional to 100,730.06, 151,046.47 and 58,619.54 is: 87,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,730.06 : 151,046.47 = 58,619.54 : x
  2. Step 2: Convert to fraction form
    100,730.06/151,046.47 = 58,619.54/x
  3. Step 3: Cross multiply
    100,730.06x = 151,046.47 × 58,619.54
  4. Step 4: Simplify right side
    100,730.06x = 8,854,274,616.10
  5. Step 5: Solve for x
    x = 8,854,274,616.10/100,730.06
  6. Step 6: Final answer
    x = 87,901.02

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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.