Home / 73,211.24-101,031.78-39,677.16

Finding the Fourth Proportional to 73,211.24, 101,031.78 and 39,677.16

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Solution

The fourth proportional to 73,211.24, 101,031.78 and 39,677.16 is: 54,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.24 : 101,031.78 = 39,677.16 : x
  2. Step 2: Convert to fraction form
    73,211.24/101,031.78 = 39,677.16/x
  3. Step 3: Cross multiply
    73,211.24x = 101,031.78 × 39,677.16
  4. Step 4: Simplify right side
    73,211.24x = 4,008,654,100.14
  5. Step 5: Solve for x
    x = 4,008,654,100.14/73,211.24
  6. Step 6: Final answer
    x = 54,754.63

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1.5x scale

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.