Home / 73,913.45-102,000.53-39,921.93

Finding the Fourth Proportional to 73,913.45, 102,000.53 and 39,921.93

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Solution

The fourth proportional to 73,913.45, 102,000.53 and 39,921.93 is: 55,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.45 : 102,000.53 = 39,921.93 : x
  2. Step 2: Convert to fraction form
    73,913.45/102,000.53 = 39,921.93/x
  3. Step 3: Cross multiply
    73,913.45x = 102,000.53 × 39,921.93
  4. Step 4: Simplify right side
    73,913.45x = 4,072,058,118.43
  5. Step 5: Solve for x
    x = 4,072,058,118.43/73,913.45
  6. Step 6: Final answer
    x = 55,092.25

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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.