Home / 73,946.16-102,045.96-40,412.88

Finding the Fourth Proportional to 73,946.16, 102,045.96 and 40,412.88

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Solution

The fourth proportional to 73,946.16, 102,045.96 and 40,412.88 is: 55,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,946.16 : 102,045.96 = 40,412.88 : x
  2. Step 2: Convert to fraction form
    73,946.16/102,045.96 = 40,412.88/x
  3. Step 3: Cross multiply
    73,946.16x = 102,045.96 × 40,412.88
  4. Step 4: Simplify right side
    73,946.16x = 4,123,971,135.96
  5. Step 5: Solve for x
    x = 4,123,971,135.96/73,946.16
  6. Step 6: Final answer
    x = 55,769.92

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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.