Home / 89,011.44-122,849.28-50,770.80

Finding the Fourth Proportional to 89,011.44, 122,849.28 and 50,770.80

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Solution

The fourth proportional to 89,011.44, 122,849.28 and 50,770.80 is: 70,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.44 : 122,849.28 = 50,770.80 : x
  2. Step 2: Convert to fraction form
    89,011.44/122,849.28 = 50,770.80/x
  3. Step 3: Cross multiply
    89,011.44x = 122,849.28 × 50,770.80
  4. Step 4: Simplify right side
    89,011.44x = 6,237,156,225.02
  5. Step 5: Solve for x
    x = 6,237,156,225.02/89,011.44
  6. Step 6: Final answer
    x = 70,071.40

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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.