Home / 81,185.23-112,032.10-44,390.77

Finding the Fourth Proportional to 81,185.23, 112,032.10 and 44,390.77

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Solution

The fourth proportional to 81,185.23, 112,032.10 and 44,390.77 is: 61,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,185.23 : 112,032.10 = 44,390.77 : x
  2. Step 2: Convert to fraction form
    81,185.23/112,032.10 = 44,390.77/x
  3. Step 3: Cross multiply
    81,185.23x = 112,032.10 × 44,390.77
  4. Step 4: Simplify right side
    81,185.23x = 4,973,191,241.84
  5. Step 5: Solve for x
    x = 4,973,191,241.84/81,185.23
  6. Step 6: Final answer
    x = 61,257.34

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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.