Home / 57,713.87-79,467.47-49,196.90

Finding the Fourth Proportional to 57,713.87, 79,467.47 and 49,196.90

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Solution

The fourth proportional to 57,713.87, 79,467.47 and 49,196.90 is: 67,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.87 : 79,467.47 = 49,196.90 : x
  2. Step 2: Convert to fraction form
    57,713.87/79,467.47 = 49,196.90/x
  3. Step 3: Cross multiply
    57,713.87x = 79,467.47 × 49,196.90
  4. Step 4: Simplify right side
    57,713.87x = 3,909,552,900.50
  5. Step 5: Solve for x
    x = 3,909,552,900.50/57,713.87
  6. Step 6: Final answer
    x = 67,740.27

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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.