Home / 103,566.66-155,015.86-53,577.92

Finding the Fourth Proportional to 103,566.66, 155,015.86 and 53,577.92

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Solution

The fourth proportional to 103,566.66, 155,015.86 and 53,577.92 is: 80,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.66 : 155,015.86 = 53,577.92 : x
  2. Step 2: Convert to fraction form
    103,566.66/155,015.86 = 53,577.92/x
  3. Step 3: Cross multiply
    103,566.66x = 155,015.86 × 53,577.92
  4. Step 4: Simplify right side
    103,566.66x = 8,305,427,345.81
  5. Step 5: Solve for x
    x = 8,305,427,345.81/103,566.66
  6. Step 6: Final answer
    x = 80,194.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.