Home / 73,215.39-101,120.18-49,300.53

Finding the Fourth Proportional to 73,215.39, 101,120.18 and 49,300.53

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Solution

The fourth proportional to 73,215.39, 101,120.18 and 49,300.53 is: 68,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.39 : 101,120.18 = 49,300.53 : x
  2. Step 2: Convert to fraction form
    73,215.39/101,120.18 = 49,300.53/x
  3. Step 3: Cross multiply
    73,215.39x = 101,120.18 × 49,300.53
  4. Step 4: Simplify right side
    73,215.39x = 4,985,278,221.19
  5. Step 5: Solve for x
    x = 4,985,278,221.19/73,215.39
  6. Step 6: Final answer
    x = 68,090.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.