Home / 57,319.63-86,037.77-38,540.59

Finding the Fourth Proportional to 57,319.63, 86,037.77 and 38,540.59

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Solution

The fourth proportional to 57,319.63, 86,037.77 and 38,540.59 is: 57,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.63 : 86,037.77 = 38,540.59 : x
  2. Step 2: Convert to fraction form
    57,319.63/86,037.77 = 38,540.59/x
  3. Step 3: Cross multiply
    57,319.63x = 86,037.77 × 38,540.59
  4. Step 4: Simplify right side
    57,319.63x = 3,315,946,225.38
  5. Step 5: Solve for x
    x = 3,315,946,225.38/57,319.63
  6. Step 6: Final answer
    x = 57,850.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.