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Finding the Fourth Proportional to 62,758.66, 86,602.08 and 34,465.90

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Solution

The fourth proportional to 62,758.66, 86,602.08 and 34,465.90 is: 47,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,758.66 : 86,602.08 = 34,465.90 : x
  2. Step 2: Convert to fraction form
    62,758.66/86,602.08 = 34,465.90/x
  3. Step 3: Cross multiply
    62,758.66x = 86,602.08 × 34,465.90
  4. Step 4: Simplify right side
    62,758.66x = 2,984,818,629.07
  5. Step 5: Solve for x
    x = 2,984,818,629.07/62,758.66
  6. Step 6: Final answer
    x = 47,560.27

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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.