Home / 68,920.99-95,113.26-38,711.64

Finding the Fourth Proportional to 68,920.99, 95,113.26 and 38,711.64

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Solution

The fourth proportional to 68,920.99, 95,113.26 and 38,711.64 is: 53,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,920.99 : 95,113.26 = 38,711.64 : x
  2. Step 2: Convert to fraction form
    68,920.99/95,113.26 = 38,711.64/x
  3. Step 3: Cross multiply
    68,920.99x = 95,113.26 × 38,711.64
  4. Step 4: Simplify right side
    68,920.99x = 3,681,990,280.35
  5. Step 5: Solve for x
    x = 3,681,990,280.35/68,920.99
  6. Step 6: Final answer
    x = 53,423.35

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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.