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Finding the Fourth Proportional to 62,505.66, 86,255.66 and 35,656.86

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Solution

The fourth proportional to 62,505.66, 86,255.66 and 35,656.86 is: 49,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,505.66 : 86,255.66 = 35,656.86 : x
  2. Step 2: Convert to fraction form
    62,505.66/86,255.66 = 35,656.86/x
  3. Step 3: Cross multiply
    62,505.66x = 86,255.66 × 35,656.86
  4. Step 4: Simplify right side
    62,505.66x = 3,075,605,814.54
  5. Step 5: Solve for x
    x = 3,075,605,814.54/62,505.66
  6. Step 6: Final answer
    x = 49,205.24

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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.