Home / 86,538.35-119,428.91-48,305.33

Finding the Fourth Proportional to 86,538.35, 119,428.91 and 48,305.33

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Solution

The fourth proportional to 86,538.35, 119,428.91 and 48,305.33 is: 66,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.35 : 119,428.91 = 48,305.33 : x
  2. Step 2: Convert to fraction form
    86,538.35/119,428.91 = 48,305.33/x
  3. Step 3: Cross multiply
    86,538.35x = 119,428.91 × 48,305.33
  4. Step 4: Simplify right side
    86,538.35x = 5,769,052,070.42
  5. Step 5: Solve for x
    x = 5,769,052,070.42/86,538.35
  6. Step 6: Final answer
    x = 66,664.69

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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.