Home / 74,013.78-102,074.46-52,460.90

Finding the Fourth Proportional to 74,013.78, 102,074.46 and 52,460.90

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Solution

The fourth proportional to 74,013.78, 102,074.46 and 52,460.90 is: 72,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013.78 : 102,074.46 = 52,460.90 : x
  2. Step 2: Convert to fraction form
    74,013.78/102,074.46 = 52,460.90/x
  3. Step 3: Cross multiply
    74,013.78x = 102,074.46 × 52,460.90
  4. Step 4: Simplify right side
    74,013.78x = 5,354,917,528.24
  5. Step 5: Solve for x
    x = 5,354,917,528.24/74,013.78
  6. Step 6: Final answer
    x = 72,350.28

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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.