Home / 74,039.04-102,185.28-58,243.20

Finding the Fourth Proportional to 74,039.04, 102,185.28 and 58,243.20

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Solution

The fourth proportional to 74,039.04, 102,185.28 and 58,243.20 is: 80,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,039.04 : 102,185.28 = 58,243.20 : x
  2. Step 2: Convert to fraction form
    74,039.04/102,185.28 = 58,243.20/x
  3. Step 3: Cross multiply
    74,039.04x = 102,185.28 × 58,243.20
  4. Step 4: Simplify right side
    74,039.04x = 5,951,597,700.10
  5. Step 5: Solve for x
    x = 5,951,597,700.10/74,039.04
  6. Step 6: Final answer
    x = 80,384.59

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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.