Home / 57,638.04-79,449.60-43,277.15

Finding the Fourth Proportional to 57,638.04, 79,449.60 and 43,277.15

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Solution

The fourth proportional to 57,638.04, 79,449.60 and 43,277.15 is: 59,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.04 : 79,449.60 = 43,277.15 : x
  2. Step 2: Convert to fraction form
    57,638.04/79,449.60 = 43,277.15/x
  3. Step 3: Cross multiply
    57,638.04x = 79,449.60 × 43,277.15
  4. Step 4: Simplify right side
    57,638.04x = 3,438,351,859.39
  5. Step 5: Solve for x
    x = 3,438,351,859.39/57,638.04
  6. Step 6: Final answer
    x = 59,654.21

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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.