Home / 73,946.56-102,046.08-40,412.80

Finding the Fourth Proportional to 73,946.56, 102,046.08 and 40,412.80

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Solution

The fourth proportional to 73,946.56, 102,046.08 and 40,412.80 is: 55,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,946.56 : 102,046.08 = 40,412.80 : x
  2. Step 2: Convert to fraction form
    73,946.56/102,046.08 = 40,412.80/x
  3. Step 3: Cross multiply
    73,946.56x = 102,046.08 × 40,412.80
  4. Step 4: Simplify right side
    73,946.56x = 4,123,967,821.82
  5. Step 5: Solve for x
    x = 4,123,967,821.82/73,946.56
  6. Step 6: Final answer
    x = 55,769.57

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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.