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Finding the Fourth Proportional to 62,508.81, 86,258.82 and 34,209.03

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Solution

The fourth proportional to 62,508.81, 86,258.82 and 34,209.03 is: 47,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508.81 : 86,258.82 = 34,209.03 : x
  2. Step 2: Convert to fraction form
    62,508.81/86,258.82 = 34,209.03/x
  3. Step 3: Cross multiply
    62,508.81x = 86,258.82 × 34,209.03
  4. Step 4: Simplify right side
    62,508.81x = 2,950,830,561.14
  5. Step 5: Solve for x
    x = 2,950,830,561.14/62,508.81
  6. Step 6: Final answer
    x = 47,206.63

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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.