Home / 80,954.30-121,431.45-58,922.30

Finding the Fourth Proportional to 80,954.30, 121,431.45 and 58,922.30

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Solution

The fourth proportional to 80,954.30, 121,431.45 and 58,922.30 is: 88,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,954.30 : 121,431.45 = 58,922.30 : x
  2. Step 2: Convert to fraction form
    80,954.30/121,431.45 = 58,922.30/x
  3. Step 3: Cross multiply
    80,954.30x = 121,431.45 × 58,922.30
  4. Step 4: Simplify right side
    80,954.30x = 7,155,020,326.34
  5. Step 5: Solve for x
    x = 7,155,020,326.34/80,954.30
  6. Step 6: Final answer
    x = 88,383.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.