Home / 86,455.02-129,645.81-33,856.14

Finding the Fourth Proportional to 86,455.02, 129,645.81 and 33,856.14

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Solution

The fourth proportional to 86,455.02, 129,645.81 and 33,856.14 is: 50,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455.02 : 129,645.81 = 33,856.14 : x
  2. Step 2: Convert to fraction form
    86,455.02/129,645.81 = 33,856.14/x
  3. Step 3: Cross multiply
    86,455.02x = 129,645.81 × 33,856.14
  4. Step 4: Simplify right side
    86,455.02x = 4,389,306,693.77
  5. Step 5: Solve for x
    x = 4,389,306,693.77/86,455.02
  6. Step 6: Final answer
    x = 50,769.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.