Home / 88,332.75-121,900.41-50,607

Finding the Fourth Proportional to 88,332.75, 121,900.41 and 50,607

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Solution

The fourth proportional to 88,332.75, 121,900.41 and 50,607 is: 69,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.75 : 121,900.41 = 50,607 : x
  2. Step 2: Convert to fraction form
    88,332.75/121,900.41 = 50,607/x
  3. Step 3: Cross multiply
    88,332.75x = 121,900.41 × 50,607
  4. Step 4: Simplify right side
    88,332.75x = 6,169,014,048.87
  5. Step 5: Solve for x
    x = 6,169,014,048.87/88,332.75
  6. Step 6: Final answer
    x = 69,838.36

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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.