Home / 75,861.12-104,663.34-49,019.46

Finding the Fourth Proportional to 75,861.12, 104,663.34 and 49,019.46

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Solution

The fourth proportional to 75,861.12, 104,663.34 and 49,019.46 is: 67,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.12 : 104,663.34 = 49,019.46 : x
  2. Step 2: Convert to fraction form
    75,861.12/104,663.34 = 49,019.46/x
  3. Step 3: Cross multiply
    75,861.12x = 104,663.34 × 49,019.46
  4. Step 4: Simplify right side
    75,861.12x = 5,130,540,408.60
  5. Step 5: Solve for x
    x = 5,130,540,408.60/75,861.12
  6. Step 6: Final answer
    x = 67,630.70

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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.