Home / 102,388.95-141,303.84-62,104.41

Finding the Fourth Proportional to 102,388.95, 141,303.84 and 62,104.41

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Solution

The fourth proportional to 102,388.95, 141,303.84 and 62,104.41 is: 85,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,388.95 : 141,303.84 = 62,104.41 : x
  2. Step 2: Convert to fraction form
    102,388.95/141,303.84 = 62,104.41/x
  3. Step 3: Cross multiply
    102,388.95x = 141,303.84 × 62,104.41
  4. Step 4: Simplify right side
    102,388.95x = 8,775,591,613.93
  5. Step 5: Solve for x
    x = 8,775,591,613.93/102,388.95
  6. Step 6: Final answer
    x = 85,708.39

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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.