Home / 86,551.06-119,451.09-48,824.50

Finding the Fourth Proportional to 86,551.06, 119,451.09 and 48,824.50

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Solution

The fourth proportional to 86,551.06, 119,451.09 and 48,824.50 is: 67,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.06 : 119,451.09 = 48,824.50 : x
  2. Step 2: Convert to fraction form
    86,551.06/119,451.09 = 48,824.50/x
  3. Step 3: Cross multiply
    86,551.06x = 119,451.09 × 48,824.50
  4. Step 4: Simplify right side
    86,551.06x = 5,832,139,743.71
  5. Step 5: Solve for x
    x = 5,832,139,743.71/86,551.06
  6. Step 6: Final answer
    x = 67,383.80

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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.