Home / 57,196.13-78,930.65-34,840.13

Finding the Fourth Proportional to 57,196.13, 78,930.65 and 34,840.13

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Solution

The fourth proportional to 57,196.13, 78,930.65 and 34,840.13 is: 48,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196.13 : 78,930.65 = 34,840.13 : x
  2. Step 2: Convert to fraction form
    57,196.13/78,930.65 = 34,840.13/x
  3. Step 3: Cross multiply
    57,196.13x = 78,930.65 × 34,840.13
  4. Step 4: Simplify right side
    57,196.13x = 2,749,953,799.43
  5. Step 5: Solve for x
    x = 2,749,953,799.43/57,196.13
  6. Step 6: Final answer
    x = 48,079.37

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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.