Home / 81,979.66-113,130.41-44,684.21

Finding the Fourth Proportional to 81,979.66, 113,130.41 and 44,684.21

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Solution

The fourth proportional to 81,979.66, 113,130.41 and 44,684.21 is: 61,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979.66 : 113,130.41 = 44,684.21 : x
  2. Step 2: Convert to fraction form
    81,979.66/113,130.41 = 44,684.21/x
  3. Step 3: Cross multiply
    81,979.66x = 113,130.41 × 44,684.21
  4. Step 4: Simplify right side
    81,979.66x = 5,055,142,862.06
  5. Step 5: Solve for x
    x = 5,055,142,862.06/81,979.66
  6. Step 6: Final answer
    x = 61,663.38

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1.5x scale

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.