Home / 74,005.56-102,126.15-40,471.56

Finding the Fourth Proportional to 74,005.56, 102,126.15 and 40,471.56

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Solution

The fourth proportional to 74,005.56, 102,126.15 and 40,471.56 is: 55,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005.56 : 102,126.15 = 40,471.56 : x
  2. Step 2: Convert to fraction form
    74,005.56/102,126.15 = 40,471.56/x
  3. Step 3: Cross multiply
    74,005.56x = 102,126.15 × 40,471.56
  4. Step 4: Simplify right side
    74,005.56x = 4,133,204,607.29
  5. Step 5: Solve for x
    x = 4,133,204,607.29/74,005.56
  6. Step 6: Final answer
    x = 55,849.92

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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.