Home / 57,199.15-78,907.53-38,087.74

Finding the Fourth Proportional to 57,199.15, 78,907.53 and 38,087.74

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Solution

The fourth proportional to 57,199.15, 78,907.53 and 38,087.74 is: 52,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,199.15 : 78,907.53 = 38,087.74 : x
  2. Step 2: Convert to fraction form
    57,199.15/78,907.53 = 38,087.74/x
  3. Step 3: Cross multiply
    57,199.15x = 78,907.53 × 38,087.74
  4. Step 4: Simplify right side
    57,199.15x = 3,005,409,486.68
  5. Step 5: Solve for x
    x = 3,005,409,486.68/57,199.15
  6. Step 6: Final answer
    x = 52,542.90

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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.