Home / 67,645.92-93,370.18-39,357.08

Finding the Fourth Proportional to 67,645.92, 93,370.18 and 39,357.08

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Solution

The fourth proportional to 67,645.92, 93,370.18 and 39,357.08 is: 54,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,645.92 : 93,370.18 = 39,357.08 : x
  2. Step 2: Convert to fraction form
    67,645.92/93,370.18 = 39,357.08/x
  3. Step 3: Cross multiply
    67,645.92x = 93,370.18 × 39,357.08
  4. Step 4: Simplify right side
    67,645.92x = 3,674,777,643.87
  5. Step 5: Solve for x
    x = 3,674,777,643.87/67,645.92
  6. Step 6: Final answer
    x = 54,323.71

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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.