Home / 67,657.10-93,404.33-40,806.38

Finding the Fourth Proportional to 67,657.10, 93,404.33 and 40,806.38

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Solution

The fourth proportional to 67,657.10, 93,404.33 and 40,806.38 is: 56,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.10 : 93,404.33 = 40,806.38 : x
  2. Step 2: Convert to fraction form
    67,657.10/93,404.33 = 40,806.38/x
  3. Step 3: Cross multiply
    67,657.10x = 93,404.33 × 40,806.38
  4. Step 4: Simplify right side
    67,657.10x = 3,811,492,583.63
  5. Step 5: Solve for x
    x = 3,811,492,583.63/67,657.10
  6. Step 6: Final answer
    x = 56,335.44

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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.