Home / 86,387.52-119,218.41-48,147.09

Finding the Fourth Proportional to 86,387.52, 119,218.41 and 48,147.09

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Solution

The fourth proportional to 86,387.52, 119,218.41 and 48,147.09 is: 66,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.52 : 119,218.41 = 48,147.09 : x
  2. Step 2: Convert to fraction form
    86,387.52/119,218.41 = 48,147.09/x
  3. Step 3: Cross multiply
    86,387.52x = 119,218.41 × 48,147.09
  4. Step 4: Simplify right side
    86,387.52x = 5,740,019,515.93
  5. Step 5: Solve for x
    x = 5,740,019,515.93/86,387.52
  6. Step 6: Final answer
    x = 66,445.01

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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.