Home / 89,009.28-122,830.36-50,767.96

Finding the Fourth Proportional to 89,009.28, 122,830.36 and 50,767.96

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Solution

The fourth proportional to 89,009.28, 122,830.36 and 50,767.96 is: 70,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009.28 : 122,830.36 = 50,767.96 : x
  2. Step 2: Convert to fraction form
    89,009.28/122,830.36 = 50,767.96/x
  3. Step 3: Cross multiply
    89,009.28x = 122,830.36 × 50,767.96
  4. Step 4: Simplify right side
    89,009.28x = 6,235,846,803.27
  5. Step 5: Solve for x
    x = 6,235,846,803.27/89,009.28
  6. Step 6: Final answer
    x = 70,058.39

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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.