Home / 86,857.83-119,853.69-48,619.50

Finding the Fourth Proportional to 86,857.83, 119,853.69 and 48,619.50

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Solution

The fourth proportional to 86,857.83, 119,853.69 and 48,619.50 is: 67,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.83 : 119,853.69 = 48,619.50 : x
  2. Step 2: Convert to fraction form
    86,857.83/119,853.69 = 48,619.50/x
  3. Step 3: Cross multiply
    86,857.83x = 119,853.69 × 48,619.50
  4. Step 4: Simplify right side
    86,857.83x = 5,827,226,480.96
  5. Step 5: Solve for x
    x = 5,827,226,480.96/86,857.83
  6. Step 6: Final answer
    x = 67,089.25

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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.