Home / 73,913.24-102,000.24-39,921.76

Finding the Fourth Proportional to 73,913.24, 102,000.24 and 39,921.76

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Solution

The fourth proportional to 73,913.24, 102,000.24 and 39,921.76 is: 55,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.24 : 102,000.24 = 39,921.76 : x
  2. Step 2: Convert to fraction form
    73,913.24/102,000.24 = 39,921.76/x
  3. Step 3: Cross multiply
    73,913.24x = 102,000.24 × 39,921.76
  4. Step 4: Simplify right side
    73,913.24x = 4,072,029,101.22
  5. Step 5: Solve for x
    x = 4,072,029,101.22/73,913.24
  6. Step 6: Final answer
    x = 55,092.01

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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.