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Finding the Fourth Proportional to 73,340.99, 101,207.05 and 45,041.21

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Solution

The fourth proportional to 73,340.99, 101,207.05 and 45,041.21 is: 62,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.99 : 101,207.05 = 45,041.21 : x
  2. Step 2: Convert to fraction form
    73,340.99/101,207.05 = 45,041.21/x
  3. Step 3: Cross multiply
    73,340.99x = 101,207.05 × 45,041.21
  4. Step 4: Simplify right side
    73,340.99x = 4,558,487,992.53
  5. Step 5: Solve for x
    x = 4,558,487,992.53/73,340.99
  6. Step 6: Final answer
    x = 62,154.71

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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.