Home / 57,613.55-79,543.40-47,028.35

Finding the Fourth Proportional to 57,613.55, 79,543.40 and 47,028.35

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Solution

The fourth proportional to 57,613.55, 79,543.40 and 47,028.35 is: 64,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,613.55 : 79,543.40 = 47,028.35 : x
  2. Step 2: Convert to fraction form
    57,613.55/79,543.40 = 47,028.35/x
  3. Step 3: Cross multiply
    57,613.55x = 79,543.40 × 47,028.35
  4. Step 4: Simplify right side
    57,613.55x = 3,740,794,620.25
  5. Step 5: Solve for x
    x = 3,740,794,620.25/57,613.55
  6. Step 6: Final answer
    x = 64,929.08

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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.