Home / 59,989.96-89,997.42-30,019.72

Finding the Fourth Proportional to 59,989.96, 89,997.42 and 30,019.72

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Solution

The fourth proportional to 59,989.96, 89,997.42 and 30,019.72 is: 45,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,989.96 : 89,997.42 = 30,019.72 : x
  2. Step 2: Convert to fraction form
    59,989.96/89,997.42 = 30,019.72/x
  3. Step 3: Cross multiply
    59,989.96x = 89,997.42 × 30,019.72
  4. Step 4: Simplify right side
    59,989.96x = 2,701,697,349.12
  5. Step 5: Solve for x
    x = 2,701,697,349.12/59,989.96
  6. Step 6: Final answer
    x = 45,035.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.