Home / 51,279.06-70,768.66-28,622.46

Finding the Fourth Proportional to 51,279.06, 70,768.66 and 28,622.46

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Solution

The fourth proportional to 51,279.06, 70,768.66 and 28,622.46 is: 39,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.06 : 70,768.66 = 28,622.46 : x
  2. Step 2: Convert to fraction form
    51,279.06/70,768.66 = 28,622.46/x
  3. Step 3: Cross multiply
    51,279.06x = 70,768.66 × 28,622.46
  4. Step 4: Simplify right side
    51,279.06x = 2,025,573,140.10
  5. Step 5: Solve for x
    x = 2,025,573,140.10/51,279.06
  6. Step 6: Final answer
    x = 39,500.98

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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.