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Finding the Fourth Proportional to 73,719.48, 101,700.80 and 46,847.58

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Solution

The fourth proportional to 73,719.48, 101,700.80 and 46,847.58 is: 64,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.48 : 101,700.80 = 46,847.58 : x
  2. Step 2: Convert to fraction form
    73,719.48/101,700.80 = 46,847.58/x
  3. Step 3: Cross multiply
    73,719.48x = 101,700.80 × 46,847.58
  4. Step 4: Simplify right side
    73,719.48x = 4,764,436,364.06
  5. Step 5: Solve for x
    x = 4,764,436,364.06/73,719.48
  6. Step 6: Final answer
    x = 64,629.27

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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.