Home / 61,611.42-85,024.38-36,132.87

Finding the Fourth Proportional to 61,611.42, 85,024.38 and 36,132.87

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Solution

The fourth proportional to 61,611.42, 85,024.38 and 36,132.87 is: 49,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,611.42 : 85,024.38 = 36,132.87 : x
  2. Step 2: Convert to fraction form
    61,611.42/85,024.38 = 36,132.87/x
  3. Step 3: Cross multiply
    61,611.42x = 85,024.38 × 36,132.87
  4. Step 4: Simplify right side
    61,611.42x = 3,072,174,869.37
  5. Step 5: Solve for x
    x = 3,072,174,869.37/61,611.42
  6. Step 6: Final answer
    x = 49,863.72

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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.