Home / 86,420.50-119,260.32-48,696.10

Finding the Fourth Proportional to 86,420.50, 119,260.32 and 48,696.10

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Solution

The fourth proportional to 86,420.50, 119,260.32 and 48,696.10 is: 67,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,420.50 : 119,260.32 = 48,696.10 : x
  2. Step 2: Convert to fraction form
    86,420.50/119,260.32 = 48,696.10/x
  3. Step 3: Cross multiply
    86,420.50x = 119,260.32 × 48,696.10
  4. Step 4: Simplify right side
    86,420.50x = 5,807,512,468.75
  5. Step 5: Solve for x
    x = 5,807,512,468.75/86,420.50
  6. Step 6: Final answer
    x = 67,200.63

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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.