Home / 74,020.48-102,141.66-41,757.46

Finding the Fourth Proportional to 74,020.48, 102,141.66 and 41,757.46

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Solution

The fourth proportional to 74,020.48, 102,141.66 and 41,757.46 is: 57,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.48 : 102,141.66 = 41,757.46 : x
  2. Step 2: Convert to fraction form
    74,020.48/102,141.66 = 41,757.46/x
  3. Step 3: Cross multiply
    74,020.48x = 102,141.66 × 41,757.46
  4. Step 4: Simplify right side
    74,020.48x = 4,265,176,281.78
  5. Step 5: Solve for x
    x = 4,265,176,281.78/74,020.48
  6. Step 6: Final answer
    x = 57,621.57

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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.