Home / 58,888.45-81,258.68-39,809.73

Finding the Fourth Proportional to 58,888.45, 81,258.68 and 39,809.73

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Solution

The fourth proportional to 58,888.45, 81,258.68 and 39,809.73 is: 54,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,888.45 : 81,258.68 = 39,809.73 : x
  2. Step 2: Convert to fraction form
    58,888.45/81,258.68 = 39,809.73/x
  3. Step 3: Cross multiply
    58,888.45x = 81,258.68 × 39,809.73
  4. Step 4: Simplify right side
    58,888.45x = 3,234,886,110.96
  5. Step 5: Solve for x
    x = 3,234,886,110.96/58,888.45
  6. Step 6: Final answer
    x = 54,932.44

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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.