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Finding the Fourth Proportional to 67,656.87, 93,322.94 and 46,447.83

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Solution

The fourth proportional to 67,656.87, 93,322.94 and 46,447.83 is: 64,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,656.87 : 93,322.94 = 46,447.83 : x
  2. Step 2: Convert to fraction form
    67,656.87/93,322.94 = 46,447.83/x
  3. Step 3: Cross multiply
    67,656.87x = 93,322.94 × 46,447.83
  4. Step 4: Simplify right side
    67,656.87x = 4,334,647,819.98
  5. Step 5: Solve for x
    x = 4,334,647,819.98/67,656.87
  6. Step 6: Final answer
    x = 64,068.11

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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.