Home / 86,539.44-119,430-48,812.88

Finding the Fourth Proportional to 86,539.44, 119,430 and 48,812.88

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Solution

The fourth proportional to 86,539.44, 119,430 and 48,812.88 is: 67,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,539.44 : 119,430 = 48,812.88 : x
  2. Step 2: Convert to fraction form
    86,539.44/119,430 = 48,812.88/x
  3. Step 3: Cross multiply
    86,539.44x = 119,430 × 48,812.88
  4. Step 4: Simplify right side
    86,539.44x = 5,829,722,258.40
  5. Step 5: Solve for x
    x = 5,829,722,258.40/86,539.44
  6. Step 6: Final answer
    x = 67,364.92

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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.