Home / 86,239.50-119,010.48-48,513.75

Finding the Fourth Proportional to 86,239.50, 119,010.48 and 48,513.75

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Solution

The fourth proportional to 86,239.50, 119,010.48 and 48,513.75 is: 66,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239.50 : 119,010.48 = 48,513.75 : x
  2. Step 2: Convert to fraction form
    86,239.50/119,010.48 = 48,513.75/x
  3. Step 3: Cross multiply
    86,239.50x = 119,010.48 × 48,513.75
  4. Step 4: Simplify right side
    86,239.50x = 5,773,644,674.10
  5. Step 5: Solve for x
    x = 5,773,644,674.10/86,239.50
  6. Step 6: Final answer
    x = 66,948.96

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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.