Home / 81,322.74-112,237.16-46,860.75

Finding the Fourth Proportional to 81,322.74, 112,237.16 and 46,860.75

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Solution

The fourth proportional to 81,322.74, 112,237.16 and 46,860.75 is: 64,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,322.74 : 112,237.16 = 46,860.75 : x
  2. Step 2: Convert to fraction form
    81,322.74/112,237.16 = 46,860.75/x
  3. Step 3: Cross multiply
    81,322.74x = 112,237.16 × 46,860.75
  4. Step 4: Simplify right side
    81,322.74x = 5,259,517,261.17
  5. Step 5: Solve for x
    x = 5,259,517,261.17/81,322.74
  6. Step 6: Final answer
    x = 64,674.62

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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.