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Finding the Fourth Proportional to 73,343.30, 101,210.25 and 45,043.52

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Solution

The fourth proportional to 73,343.30, 101,210.25 and 45,043.52 is: 62,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,343.30 : 101,210.25 = 45,043.52 : x
  2. Step 2: Convert to fraction form
    73,343.30/101,210.25 = 45,043.52/x
  3. Step 3: Cross multiply
    73,343.30x = 101,210.25 × 45,043.52
  4. Step 4: Simplify right side
    73,343.30x = 4,558,865,245.12
  5. Step 5: Solve for x
    x = 4,558,865,245.12/73,343.30
  6. Step 6: Final answer
    x = 62,157.90

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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.