Home / 86,228.20-118,995.90-48,502.12

Finding the Fourth Proportional to 86,228.20, 118,995.90 and 48,502.12

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Solution

The fourth proportional to 86,228.20, 118,995.90 and 48,502.12 is: 66,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228.20 : 118,995.90 = 48,502.12 : x
  2. Step 2: Convert to fraction form
    86,228.20/118,995.90 = 48,502.12/x
  3. Step 3: Cross multiply
    86,228.20x = 118,995.90 × 48,502.12
  4. Step 4: Simplify right side
    86,228.20x = 5,771,553,421.31
  5. Step 5: Solve for x
    x = 5,771,553,421.31/86,228.20
  6. Step 6: Final answer
    x = 66,933.48

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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.