Home / 60,318.48-90,511.20-30,741.60

Finding the Fourth Proportional to 60,318.48, 90,511.20 and 30,741.60

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Solution

The fourth proportional to 60,318.48, 90,511.20 and 30,741.60 is: 46,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318.48 : 90,511.20 = 30,741.60 : x
  2. Step 2: Convert to fraction form
    60,318.48/90,511.20 = 30,741.60/x
  3. Step 3: Cross multiply
    60,318.48x = 90,511.20 × 30,741.60
  4. Step 4: Simplify right side
    60,318.48x = 2,782,459,105.92
  5. Step 5: Solve for x
    x = 2,782,459,105.92/60,318.48
  6. Step 6: Final answer
    x = 46,129.46

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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.