Home / 124,235.94-171,440.93-75,918.66

Finding the Fourth Proportional to 124,235.94, 171,440.93 and 75,918.66

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Solution

The fourth proportional to 124,235.94, 171,440.93 and 75,918.66 is: 104,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.94 : 171,440.93 = 75,918.66 : x
  2. Step 2: Convert to fraction form
    124,235.94/171,440.93 = 75,918.66/x
  3. Step 3: Cross multiply
    124,235.94x = 171,440.93 × 75,918.66
  4. Step 4: Simplify right side
    124,235.94x = 13,015,565,758.96
  5. Step 5: Solve for x
    x = 13,015,565,758.96/124,235.94
  6. Step 6: Final answer
    x = 104,764.90

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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.