Home / 81,218.32-112,083.72-44,920.24

Finding the Fourth Proportional to 81,218.32, 112,083.72 and 44,920.24

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Solution

The fourth proportional to 81,218.32, 112,083.72 and 44,920.24 is: 61,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,218.32 : 112,083.72 = 44,920.24 : x
  2. Step 2: Convert to fraction form
    81,218.32/112,083.72 = 44,920.24/x
  3. Step 3: Cross multiply
    81,218.32x = 112,083.72 × 44,920.24
  4. Step 4: Simplify right side
    81,218.32x = 5,034,827,602.49
  5. Step 5: Solve for x
    x = 5,034,827,602.49/81,218.32
  6. Step 6: Final answer
    x = 61,991.28

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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.