Home / 86,119.56-118,846.40-47,359.04

Finding the Fourth Proportional to 86,119.56, 118,846.40 and 47,359.04

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Solution

The fourth proportional to 86,119.56, 118,846.40 and 47,359.04 is: 65,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.56 : 118,846.40 = 47,359.04 : x
  2. Step 2: Convert to fraction form
    86,119.56/118,846.40 = 47,359.04/x
  3. Step 3: Cross multiply
    86,119.56x = 118,846.40 × 47,359.04
  4. Step 4: Simplify right side
    86,119.56x = 5,628,451,411.46
  5. Step 5: Solve for x
    x = 5,628,451,411.46/86,119.56
  6. Step 6: Final answer
    x = 65,356.25

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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.