Home / 67,896.96-93,709.07-39,602.64

Finding the Fourth Proportional to 67,896.96, 93,709.07 and 39,602.64

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Solution

The fourth proportional to 67,896.96, 93,709.07 and 39,602.64 is: 54,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896.96 : 93,709.07 = 39,602.64 : x
  2. Step 2: Convert to fraction form
    67,896.96/93,709.07 = 39,602.64/x
  3. Step 3: Cross multiply
    67,896.96x = 93,709.07 × 39,602.64
  4. Step 4: Simplify right side
    67,896.96x = 3,711,126,365.93
  5. Step 5: Solve for x
    x = 3,711,126,365.93/67,896.96
  6. Step 6: Final answer
    x = 54,658.21

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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.