Home / 86,285.48-129,459.18-33,732.68

Finding the Fourth Proportional to 86,285.48, 129,459.18 and 33,732.68

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Solution

The fourth proportional to 86,285.48, 129,459.18 and 33,732.68 is: 50,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,285.48 : 129,459.18 = 33,732.68 : x
  2. Step 2: Convert to fraction form
    86,285.48/129,459.18 = 33,732.68/x
  3. Step 3: Cross multiply
    86,285.48x = 129,459.18 × 33,732.68
  4. Step 4: Simplify right side
    86,285.48x = 4,367,005,092.00
  5. Step 5: Solve for x
    x = 4,367,005,092.00/86,285.48
  6. Step 6: Final answer
    x = 50,611.12

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1.5x scale

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.