Home / 62,172.48-85,811.28-40,953.60

Finding the Fourth Proportional to 62,172.48, 85,811.28 and 40,953.60

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Solution

The fourth proportional to 62,172.48, 85,811.28 and 40,953.60 is: 56,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172.48 : 85,811.28 = 40,953.60 : x
  2. Step 2: Convert to fraction form
    62,172.48/85,811.28 = 40,953.60/x
  3. Step 3: Cross multiply
    62,172.48x = 85,811.28 × 40,953.60
  4. Step 4: Simplify right side
    62,172.48x = 3,514,280,836.61
  5. Step 5: Solve for x
    x = 3,514,280,836.61/62,172.48
  6. Step 6: Final answer
    x = 56,524.70

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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.