Home / 86,733.18-119,694.69-49,009.86

Finding the Fourth Proportional to 86,733.18, 119,694.69 and 49,009.86

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Solution

The fourth proportional to 86,733.18, 119,694.69 and 49,009.86 is: 67,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.18 : 119,694.69 = 49,009.86 : x
  2. Step 2: Convert to fraction form
    86,733.18/119,694.69 = 49,009.86/x
  3. Step 3: Cross multiply
    86,733.18x = 119,694.69 × 49,009.86
  4. Step 4: Simplify right side
    86,733.18x = 5,866,219,999.64
  5. Step 5: Solve for x
    x = 5,866,219,999.64/86,733.18
  6. Step 6: Final answer
    x = 67,635.25

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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.