Home / 55,734.12-76,910.58-30,583.08

Finding the Fourth Proportional to 55,734.12, 76,910.58 and 30,583.08

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Solution

The fourth proportional to 55,734.12, 76,910.58 and 30,583.08 is: 42,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,734.12 : 76,910.58 = 30,583.08 : x
  2. Step 2: Convert to fraction form
    55,734.12/76,910.58 = 30,583.08/x
  3. Step 3: Cross multiply
    55,734.12x = 76,910.58 × 30,583.08
  4. Step 4: Simplify right side
    55,734.12x = 2,352,162,420.99
  5. Step 5: Solve for x
    x = 2,352,162,420.99/55,734.12
  6. Step 6: Final answer
    x = 42,203.28

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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.