Home / 70,917.23-97,865.77-39,086.13

Finding the Fourth Proportional to 70,917.23, 97,865.77 and 39,086.13

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Solution

The fourth proportional to 70,917.23, 97,865.77 and 39,086.13 is: 53,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.23 : 97,865.77 = 39,086.13 : x
  2. Step 2: Convert to fraction form
    70,917.23/97,865.77 = 39,086.13/x
  3. Step 3: Cross multiply
    70,917.23x = 97,865.77 × 39,086.13
  4. Step 4: Simplify right side
    70,917.23x = 3,825,194,537.39
  5. Step 5: Solve for x
    x = 3,825,194,537.39/70,917.23
  6. Step 6: Final answer
    x = 53,938.86

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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.