Home / 57,548.85-79,421.40-34,888.80

Finding the Fourth Proportional to 57,548.85, 79,421.40 and 34,888.80

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Solution

The fourth proportional to 57,548.85, 79,421.40 and 34,888.80 is: 48,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.85 : 79,421.40 = 34,888.80 : x
  2. Step 2: Convert to fraction form
    57,548.85/79,421.40 = 34,888.80/x
  3. Step 3: Cross multiply
    57,548.85x = 79,421.40 × 34,888.80
  4. Step 4: Simplify right side
    57,548.85x = 2,770,917,340.32
  5. Step 5: Solve for x
    x = 2,770,917,340.32/57,548.85
  6. Step 6: Final answer
    x = 48,148.96

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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.