Home / 57,114.52-78,813.66-31,960.60

Finding the Fourth Proportional to 57,114.52, 78,813.66 and 31,960.60

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Solution

The fourth proportional to 57,114.52, 78,813.66 and 31,960.60 is: 44,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.52 : 78,813.66 = 31,960.60 : x
  2. Step 2: Convert to fraction form
    57,114.52/78,813.66 = 31,960.60/x
  3. Step 3: Cross multiply
    57,114.52x = 78,813.66 × 31,960.60
  4. Step 4: Simplify right side
    57,114.52x = 2,518,931,861.80
  5. Step 5: Solve for x
    x = 2,518,931,861.80/57,114.52
  6. Step 6: Final answer
    x = 44,103.18

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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.