Home / 88,089.52-121,563.62-50,364.56

Finding the Fourth Proportional to 88,089.52, 121,563.62 and 50,364.56

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Solution

The fourth proportional to 88,089.52, 121,563.62 and 50,364.56 is: 69,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.52 : 121,563.62 = 50,364.56 : x
  2. Step 2: Convert to fraction form
    88,089.52/121,563.62 = 50,364.56/x
  3. Step 3: Cross multiply
    88,089.52x = 121,563.62 × 50,364.56
  4. Step 4: Simplify right side
    88,089.52x = 6,122,498,233.31
  5. Step 5: Solve for x
    x = 6,122,498,233.31/88,089.52
  6. Step 6: Final answer
    x = 69,503.14

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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.