Home / 117,923.60-162,737.48-64,211.56

Finding the Fourth Proportional to 117,923.60, 162,737.48 and 64,211.56

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Solution

The fourth proportional to 117,923.60, 162,737.48 and 64,211.56 is: 88,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.60 : 162,737.48 = 64,211.56 : x
  2. Step 2: Convert to fraction form
    117,923.60/162,737.48 = 64,211.56/x
  3. Step 3: Cross multiply
    117,923.60x = 162,737.48 × 64,211.56
  4. Step 4: Simplify right side
    117,923.60x = 10,449,627,461.27
  5. Step 5: Solve for x
    x = 10,449,627,461.27/117,923.60
  6. Step 6: Final answer
    x = 88,613.54

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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.