Home / 64,357.35-88,813.17-39,206.85

Finding the Fourth Proportional to 64,357.35, 88,813.17 and 39,206.85

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Solution

The fourth proportional to 64,357.35, 88,813.17 and 39,206.85 is: 54,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.35 : 88,813.17 = 39,206.85 : x
  2. Step 2: Convert to fraction form
    64,357.35/88,813.17 = 39,206.85/x
  3. Step 3: Cross multiply
    64,357.35x = 88,813.17 × 39,206.85
  4. Step 4: Simplify right side
    64,357.35x = 3,482,084,634.21
  5. Step 5: Solve for x
    x = 3,482,084,634.21/64,357.35
  6. Step 6: Final answer
    x = 54,105.47

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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.