Home / 92,818.50-139,286.32-39,510.39

Finding the Fourth Proportional to 92,818.50, 139,286.32 and 39,510.39

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Solution

The fourth proportional to 92,818.50, 139,286.32 and 39,510.39 is: 59,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.50 : 139,286.32 = 39,510.39 : x
  2. Step 2: Convert to fraction form
    92,818.50/139,286.32 = 39,510.39/x
  3. Step 3: Cross multiply
    92,818.50x = 139,286.32 × 39,510.39
  4. Step 4: Simplify right side
    92,818.50x = 5,503,256,824.86
  5. Step 5: Solve for x
    x = 5,503,256,824.86/92,818.50
  6. Step 6: Final answer
    x = 59,290.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.