Home / 81,185.86-112,032.96-44,391.40

Finding the Fourth Proportional to 81,185.86, 112,032.96 and 44,391.40

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Solution

The fourth proportional to 81,185.86, 112,032.96 and 44,391.40 is: 61,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,185.86 : 112,032.96 = 44,391.40 : x
  2. Step 2: Convert to fraction form
    81,185.86/112,032.96 = 44,391.40/x
  3. Step 3: Cross multiply
    81,185.86x = 112,032.96 × 44,391.40
  4. Step 4: Simplify right side
    81,185.86x = 4,973,299,493.99
  5. Step 5: Solve for x
    x = 4,973,299,493.99/81,185.86
  6. Step 6: Final answer
    x = 61,258.20

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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.