Home / 86,289.50-119,069.06-48,039.48

Finding the Fourth Proportional to 86,289.50, 119,069.06 and 48,039.48

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Solution

The fourth proportional to 86,289.50, 119,069.06 and 48,039.48 is: 66,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,289.50 : 119,069.06 = 48,039.48 : x
  2. Step 2: Convert to fraction form
    86,289.50/119,069.06 = 48,039.48/x
  3. Step 3: Cross multiply
    86,289.50x = 119,069.06 × 48,039.48
  4. Step 4: Simplify right side
    86,289.50x = 5,720,015,486.29
  5. Step 5: Solve for x
    x = 5,720,015,486.29/86,289.50
  6. Step 6: Final answer
    x = 66,288.66

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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.