Home / 55,757.04-76,945.30-30,263.62

Finding the Fourth Proportional to 55,757.04, 76,945.30 and 30,263.62

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Solution

The fourth proportional to 55,757.04, 76,945.30 and 30,263.62 is: 41,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.04 : 76,945.30 = 30,263.62 : x
  2. Step 2: Convert to fraction form
    55,757.04/76,945.30 = 30,263.62/x
  3. Step 3: Cross multiply
    55,757.04x = 76,945.30 × 30,263.62
  4. Step 4: Simplify right side
    55,757.04x = 2,328,643,319.99
  5. Step 5: Solve for x
    x = 2,328,643,319.99/55,757.04
  6. Step 6: Final answer
    x = 41,764.11

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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.