Home / 74,451.56-102,747.08-42,625.24

Finding the Fourth Proportional to 74,451.56, 102,747.08 and 42,625.24

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Solution

The fourth proportional to 74,451.56, 102,747.08 and 42,625.24 is: 58,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451.56 : 102,747.08 = 42,625.24 : x
  2. Step 2: Convert to fraction form
    74,451.56/102,747.08 = 42,625.24/x
  3. Step 3: Cross multiply
    74,451.56x = 102,747.08 × 42,625.24
  4. Step 4: Simplify right side
    74,451.56x = 4,379,618,793.99
  5. Step 5: Solve for x
    x = 4,379,618,793.99/74,451.56
  6. Step 6: Final answer
    x = 58,825.08

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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.