Home / 92,874.24-139,334.94-42,990.32

Finding the Fourth Proportional to 92,874.24, 139,334.94 and 42,990.32

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Solution

The fourth proportional to 92,874.24, 139,334.94 and 42,990.32 is: 64,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.24 : 139,334.94 = 42,990.32 : x
  2. Step 2: Convert to fraction form
    92,874.24/139,334.94 = 42,990.32/x
  3. Step 3: Cross multiply
    92,874.24x = 139,334.94 × 42,990.32
  4. Step 4: Simplify right side
    92,874.24x = 5,990,053,657.78
  5. Step 5: Solve for x
    x = 5,990,053,657.78/92,874.24
  6. Step 6: Final answer
    x = 64,496.39

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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.