Home / 74,156.07-102,253.37-47,255.97

Finding the Fourth Proportional to 74,156.07, 102,253.37 and 47,255.97

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Solution

The fourth proportional to 74,156.07, 102,253.37 and 47,255.97 is: 65,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.07 : 102,253.37 = 47,255.97 : x
  2. Step 2: Convert to fraction form
    74,156.07/102,253.37 = 47,255.97/x
  3. Step 3: Cross multiply
    74,156.07x = 102,253.37 × 47,255.97
  4. Step 4: Simplify right side
    74,156.07x = 4,832,082,185.12
  5. Step 5: Solve for x
    x = 4,832,082,185.12/74,156.07
  6. Step 6: Final answer
    x = 65,160.98

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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.