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Finding the Fourth Proportional to 62,886, 86,785.08 and 34,591.08

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Solution

The fourth proportional to 62,886, 86,785.08 and 34,591.08 is: 47,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886 : 86,785.08 = 34,591.08 : x
  2. Step 2: Convert to fraction form
    62,886/86,785.08 = 34,591.08/x
  3. Step 3: Cross multiply
    62,886x = 86,785.08 × 34,591.08
  4. Step 4: Simplify right side
    62,886x = 3,001,989,645.09
  5. Step 5: Solve for x
    x = 3,001,989,645.09/62,886
  6. Step 6: Final answer
    x = 47,737.01

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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.