Home / 86,588.08-119,490.38-48,348.22

Finding the Fourth Proportional to 86,588.08, 119,490.38 and 48,348.22

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Solution

The fourth proportional to 86,588.08, 119,490.38 and 48,348.22 is: 66,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588.08 : 119,490.38 = 48,348.22 : x
  2. Step 2: Convert to fraction form
    86,588.08/119,490.38 = 48,348.22/x
  3. Step 3: Cross multiply
    86,588.08x = 119,490.38 × 48,348.22
  4. Step 4: Simplify right side
    86,588.08x = 5,777,147,180.12
  5. Step 5: Solve for x
    x = 5,777,147,180.12/86,588.08
  6. Step 6: Final answer
    x = 66,719.89

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1.5x scale

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.