Home / 57,461.09-79,251.35-39,322.53

Finding the Fourth Proportional to 57,461.09, 79,251.35 and 39,322.53

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Solution

The fourth proportional to 57,461.09, 79,251.35 and 39,322.53 is: 54,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461.09 : 79,251.35 = 39,322.53 : x
  2. Step 2: Convert to fraction form
    57,461.09/79,251.35 = 39,322.53/x
  3. Step 3: Cross multiply
    57,461.09x = 79,251.35 × 39,322.53
  4. Step 4: Simplify right side
    57,461.09x = 3,116,363,391.30
  5. Step 5: Solve for x
    x = 3,116,363,391.30/57,461.09
  6. Step 6: Final answer
    x = 54,234.33

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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.