Home / 81,166.24-112,015.36-46,721.44

Finding the Fourth Proportional to 81,166.24, 112,015.36 and 46,721.44

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Solution

The fourth proportional to 81,166.24, 112,015.36 and 46,721.44 is: 64,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.24 : 112,015.36 = 46,721.44 : x
  2. Step 2: Convert to fraction form
    81,166.24/112,015.36 = 46,721.44/x
  3. Step 3: Cross multiply
    81,166.24x = 112,015.36 × 46,721.44
  4. Step 4: Simplify right side
    81,166.24x = 5,233,518,921.32
  5. Step 5: Solve for x
    x = 5,233,518,921.32/81,166.24
  6. Step 6: Final answer
    x = 64,479.01

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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.