Home / 75,009.24-112,530.60-28,262.52

Finding the Fourth Proportional to 75,009.24, 112,530.60 and 28,262.52

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Solution

The fourth proportional to 75,009.24, 112,530.60 and 28,262.52 is: 42,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009.24 : 112,530.60 = 28,262.52 : x
  2. Step 2: Convert to fraction form
    75,009.24/112,530.60 = 28,262.52/x
  3. Step 3: Cross multiply
    75,009.24x = 112,530.60 × 28,262.52
  4. Step 4: Simplify right side
    75,009.24x = 3,180,398,333.11
  5. Step 5: Solve for x
    x = 3,180,398,333.11/75,009.24
  6. Step 6: Final answer
    x = 42,400.09

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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.