Home / 88,063.50-121,447.44-74,480.00

Finding the Fourth Proportional to 88,063.50, 121,447.44 and 74,480.00

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Solution

The fourth proportional to 88,063.50, 121,447.44 and 74,480.00 is: 102,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,063.50 : 121,447.44 = 74,480.00 : x
  2. Step 2: Convert to fraction form
    88,063.50/121,447.44 = 74,480.00/x
  3. Step 3: Cross multiply
    88,063.50x = 121,447.44 × 74,480.00
  4. Step 4: Simplify right side
    88,063.50x = 9,045,404,723.96
  5. Step 5: Solve for x
    x = 9,045,404,723.96/88,063.50
  6. Step 6: Final answer
    x = 102,714.57

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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.