Home / 86,355.48-119,176.66-48,117.54

Finding the Fourth Proportional to 86,355.48, 119,176.66 and 48,117.54

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Solution

The fourth proportional to 86,355.48, 119,176.66 and 48,117.54 is: 66,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,355.48 : 119,176.66 = 48,117.54 : x
  2. Step 2: Convert to fraction form
    86,355.48/119,176.66 = 48,117.54/x
  3. Step 3: Cross multiply
    86,355.48x = 119,176.66 × 48,117.54
  4. Step 4: Simplify right side
    86,355.48x = 5,734,487,704.62
  5. Step 5: Solve for x
    x = 5,734,487,704.62/86,355.48
  6. Step 6: Final answer
    x = 66,405.60

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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.