Home / 91,267.68-125,867.58-76,004.77

Finding the Fourth Proportional to 91,267.68, 125,867.58 and 76,004.77

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Solution

The fourth proportional to 91,267.68, 125,867.58 and 76,004.77 is: 104,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,267.68 : 125,867.58 = 76,004.77 : x
  2. Step 2: Convert to fraction form
    91,267.68/125,867.58 = 76,004.77/x
  3. Step 3: Cross multiply
    91,267.68x = 125,867.58 × 76,004.77
  4. Step 4: Simplify right side
    91,267.68x = 9,566,536,625.69
  5. Step 5: Solve for x
    x = 9,566,536,625.69/91,267.68
  6. Step 6: Final answer
    x = 104,818.44

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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.