Home / 72,204.35-99,667.07-49,618.11

Finding the Fourth Proportional to 72,204.35, 99,667.07 and 49,618.11

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Solution

The fourth proportional to 72,204.35, 99,667.07 and 49,618.11 is: 68,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.35 : 99,667.07 = 49,618.11 : x
  2. Step 2: Convert to fraction form
    72,204.35/99,667.07 = 49,618.11/x
  3. Step 3: Cross multiply
    72,204.35x = 99,667.07 × 49,618.11
  4. Step 4: Simplify right side
    72,204.35x = 4,945,291,642.64
  5. Step 5: Solve for x
    x = 4,945,291,642.64/72,204.35
  6. Step 6: Final answer
    x = 68,490.22

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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.