Home / 102,095.44-140,859.20-61,796.32

Finding the Fourth Proportional to 102,095.44, 140,859.20 and 61,796.32

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Solution

The fourth proportional to 102,095.44, 140,859.20 and 61,796.32 is: 85,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,095.44 : 140,859.20 = 61,796.32 : x
  2. Step 2: Convert to fraction form
    102,095.44/140,859.20 = 61,796.32/x
  3. Step 3: Cross multiply
    102,095.44x = 140,859.20 × 61,796.32
  4. Step 4: Simplify right side
    102,095.44x = 8,704,580,198.14
  5. Step 5: Solve for x
    x = 8,704,580,198.14/102,095.44
  6. Step 6: Final answer
    x = 85,259.25

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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.