Home / 67,855.92-93,641.25-39,567.09

Finding the Fourth Proportional to 67,855.92, 93,641.25 and 39,567.09

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Solution

The fourth proportional to 67,855.92, 93,641.25 and 39,567.09 is: 54,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.92 : 93,641.25 = 39,567.09 : x
  2. Step 2: Convert to fraction form
    67,855.92/93,641.25 = 39,567.09/x
  3. Step 3: Cross multiply
    67,855.92x = 93,641.25 × 39,567.09
  4. Step 4: Simplify right side
    67,855.92x = 3,705,111,766.46
  5. Step 5: Solve for x
    x = 3,705,111,766.46/67,855.92
  6. Step 6: Final answer
    x = 54,602.63

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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.