Home / 74,388.95-102,674.61-42,576.30

Finding the Fourth Proportional to 74,388.95, 102,674.61 and 42,576.30

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Solution

The fourth proportional to 74,388.95, 102,674.61 and 42,576.30 is: 58,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,388.95 : 102,674.61 = 42,576.30 : x
  2. Step 2: Convert to fraction form
    74,388.95/102,674.61 = 42,576.30/x
  3. Step 3: Cross multiply
    74,388.95x = 102,674.61 × 42,576.30
  4. Step 4: Simplify right side
    74,388.95x = 4,371,504,997.74
  5. Step 5: Solve for x
    x = 4,371,504,997.74/74,388.95
  6. Step 6: Final answer
    x = 58,765.52

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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.