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Finding the Fourth Proportional to 73,473.40, 101,394.30 and 39,940.12

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Solution

The fourth proportional to 73,473.40, 101,394.30 and 39,940.12 is: 55,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,473.40 : 101,394.30 = 39,940.12 : x
  2. Step 2: Convert to fraction form
    73,473.40/101,394.30 = 39,940.12/x
  3. Step 3: Cross multiply
    73,473.40x = 101,394.30 × 39,940.12
  4. Step 4: Simplify right side
    73,473.40x = 4,049,700,509.32
  5. Step 5: Solve for x
    x = 4,049,700,509.32/73,473.40
  6. Step 6: Final answer
    x = 55,117.91

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1.5x scale

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.