Home / 57,221.76-78,970.88-32,076.12

Finding the Fourth Proportional to 57,221.76, 78,970.88 and 32,076.12

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Solution

The fourth proportional to 57,221.76, 78,970.88 and 32,076.12 is: 44,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.76 : 78,970.88 = 32,076.12 : x
  2. Step 2: Convert to fraction form
    57,221.76/78,970.88 = 32,076.12/x
  3. Step 3: Cross multiply
    57,221.76x = 78,970.88 × 32,076.12
  4. Step 4: Simplify right side
    57,221.76x = 2,533,079,423.39
  5. Step 5: Solve for x
    x = 2,533,079,423.39/57,221.76
  6. Step 6: Final answer
    x = 44,267.76

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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.