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Finding the Fourth Proportional to 61,371.68, 84,697.04 and 46,237.64

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Solution

The fourth proportional to 61,371.68, 84,697.04 and 46,237.64 is: 63,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,371.68 : 84,697.04 = 46,237.64 : x
  2. Step 2: Convert to fraction form
    61,371.68/84,697.04 = 46,237.64/x
  3. Step 3: Cross multiply
    61,371.68x = 84,697.04 × 46,237.64
  4. Step 4: Simplify right side
    61,371.68x = 3,916,190,936.69
  5. Step 5: Solve for x
    x = 3,916,190,936.69/61,371.68
  6. Step 6: Final answer
    x = 63,811.05

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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.