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Finding the Fourth Proportional to 70,259.51, 96,949.97 and 41,580.42

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Solution

The fourth proportional to 70,259.51, 96,949.97 and 41,580.42 is: 57,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259.51 : 96,949.97 = 41,580.42 : x
  2. Step 2: Convert to fraction form
    70,259.51/96,949.97 = 41,580.42/x
  3. Step 3: Cross multiply
    70,259.51x = 96,949.97 × 41,580.42
  4. Step 4: Simplify right side
    70,259.51x = 4,031,220,601.32
  5. Step 5: Solve for x
    x = 4,031,220,601.32/70,259.51
  6. Step 6: Final answer
    x = 57,376.16

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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.