Home / 86,270.40-119,049.82-48,031.45

Finding the Fourth Proportional to 86,270.40, 119,049.82 and 48,031.45

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Solution

The fourth proportional to 86,270.40, 119,049.82 and 48,031.45 is: 66,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270.40 : 119,049.82 = 48,031.45 : x
  2. Step 2: Convert to fraction form
    86,270.40/119,049.82 = 48,031.45/x
  3. Step 3: Cross multiply
    86,270.40x = 119,049.82 × 48,031.45
  4. Step 4: Simplify right side
    86,270.40x = 5,718,135,059.14
  5. Step 5: Solve for x
    x = 5,718,135,059.14/86,270.40
  6. Step 6: Final answer
    x = 66,281.54

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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.