Home / 89,986.02-134,979.72-30,822.19

Finding the Fourth Proportional to 89,986.02, 134,979.72 and 30,822.19

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Solution

The fourth proportional to 89,986.02, 134,979.72 and 30,822.19 is: 46,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,986.02 : 134,979.72 = 30,822.19 : x
  2. Step 2: Convert to fraction form
    89,986.02/134,979.72 = 30,822.19/x
  3. Step 3: Cross multiply
    89,986.02x = 134,979.72 × 30,822.19
  4. Step 4: Simplify right side
    89,986.02x = 4,160,370,575.99
  5. Step 5: Solve for x
    x = 4,160,370,575.99/89,986.02
  6. Step 6: Final answer
    x = 46,233.52

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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.