Home / 74,019.05-102,146.10-41,753.57

Finding the Fourth Proportional to 74,019.05, 102,146.10 and 41,753.57

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Solution

The fourth proportional to 74,019.05, 102,146.10 and 41,753.57 is: 57,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.05 : 102,146.10 = 41,753.57 : x
  2. Step 2: Convert to fraction form
    74,019.05/102,146.10 = 41,753.57/x
  3. Step 3: Cross multiply
    74,019.05x = 102,146.10 × 41,753.57
  4. Step 4: Simplify right side
    74,019.05x = 4,264,963,825.85
  5. Step 5: Solve for x
    x = 4,264,963,825.85/74,019.05
  6. Step 6: Final answer
    x = 57,619.82

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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.