Home / 57,056.85-78,711.95-36,920.23

Finding the Fourth Proportional to 57,056.85, 78,711.95 and 36,920.23

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Solution

The fourth proportional to 57,056.85, 78,711.95 and 36,920.23 is: 50,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.85 : 78,711.95 = 36,920.23 : x
  2. Step 2: Convert to fraction form
    57,056.85/78,711.95 = 36,920.23/x
  3. Step 3: Cross multiply
    57,056.85x = 78,711.95 × 36,920.23
  4. Step 4: Simplify right side
    57,056.85x = 2,906,063,297.75
  5. Step 5: Solve for x
    x = 2,906,063,297.75/57,056.85
  6. Step 6: Final answer
    x = 50,932.77

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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.