Home / 53,976.06-74,487.15-30,107.70

Finding the Fourth Proportional to 53,976.06, 74,487.15 and 30,107.70

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Solution

The fourth proportional to 53,976.06, 74,487.15 and 30,107.70 is: 41,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.06 : 74,487.15 = 30,107.70 : x
  2. Step 2: Convert to fraction form
    53,976.06/74,487.15 = 30,107.70/x
  3. Step 3: Cross multiply
    53,976.06x = 74,487.15 × 30,107.70
  4. Step 4: Simplify right side
    53,976.06x = 2,242,636,766.06
  5. Step 5: Solve for x
    x = 2,242,636,766.06/53,976.06
  6. Step 6: Final answer
    x = 41,548.73

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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.