Home / 86,580.02-129,771.60-36,628.94

Finding the Fourth Proportional to 86,580.02, 129,771.60 and 36,628.94

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Solution

The fourth proportional to 86,580.02, 129,771.60 and 36,628.94 is: 54,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.02 : 129,771.60 = 36,628.94 : x
  2. Step 2: Convert to fraction form
    86,580.02/129,771.60 = 36,628.94/x
  3. Step 3: Cross multiply
    86,580.02x = 129,771.60 × 36,628.94
  4. Step 4: Simplify right side
    86,580.02x = 4,753,396,150.10
  5. Step 5: Solve for x
    x = 4,753,396,150.10/86,580.02
  6. Step 6: Final answer
    x = 54,901.77

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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.