Home / 86,479.62-119,347.36-48,756.30

Finding the Fourth Proportional to 86,479.62, 119,347.36 and 48,756.30

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Solution

The fourth proportional to 86,479.62, 119,347.36 and 48,756.30 is: 67,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,479.62 : 119,347.36 = 48,756.30 : x
  2. Step 2: Convert to fraction form
    86,479.62/119,347.36 = 48,756.30/x
  3. Step 3: Cross multiply
    86,479.62x = 119,347.36 × 48,756.30
  4. Step 4: Simplify right side
    86,479.62x = 5,818,935,688.37
  5. Step 5: Solve for x
    x = 5,818,935,688.37/86,479.62
  6. Step 6: Final answer
    x = 67,286.79

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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.