Home / 75,422.76-104,084.46-41,434.30

Finding the Fourth Proportional to 75,422.76, 104,084.46 and 41,434.30

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Solution

The fourth proportional to 75,422.76, 104,084.46 and 41,434.30 is: 57,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.76 : 104,084.46 = 41,434.30 : x
  2. Step 2: Convert to fraction form
    75,422.76/104,084.46 = 41,434.30/x
  3. Step 3: Cross multiply
    75,422.76x = 104,084.46 × 41,434.30
  4. Step 4: Simplify right side
    75,422.76x = 4,312,666,740.98
  5. Step 5: Solve for x
    x = 4,312,666,740.98/75,422.76
  6. Step 6: Final answer
    x = 57,179.91

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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.