Home / 74,369.60-102,561.48-50,531.84

Finding the Fourth Proportional to 74,369.60, 102,561.48 and 50,531.84

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Solution

The fourth proportional to 74,369.60, 102,561.48 and 50,531.84 is: 69,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.60 : 102,561.48 = 50,531.84 : x
  2. Step 2: Convert to fraction form
    74,369.60/102,561.48 = 50,531.84/x
  3. Step 3: Cross multiply
    74,369.60x = 102,561.48 × 50,531.84
  4. Step 4: Simplify right side
    74,369.60x = 5,182,620,297.52
  5. Step 5: Solve for x
    x = 5,182,620,297.52/74,369.60
  6. Step 6: Final answer
    x = 69,687.35

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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.