Home / 89,014.50-122,853.78-50,774.16

Finding the Fourth Proportional to 89,014.50, 122,853.78 and 50,774.16

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Solution

The fourth proportional to 89,014.50, 122,853.78 and 50,774.16 is: 70,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,014.50 : 122,853.78 = 50,774.16 : x
  2. Step 2: Convert to fraction form
    89,014.50/122,853.78 = 50,774.16/x
  3. Step 3: Cross multiply
    89,014.50x = 122,853.78 × 50,774.16
  4. Step 4: Simplify right side
    89,014.50x = 6,237,797,482.32
  5. Step 5: Solve for x
    x = 6,237,797,482.32/89,014.50
  6. Step 6: Final answer
    x = 70,076.20

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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.