Home / 55,626.12-76,765.02-30,474.12

Finding the Fourth Proportional to 55,626.12, 76,765.02 and 30,474.12

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Solution

The fourth proportional to 55,626.12, 76,765.02 and 30,474.12 is: 42,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.12 : 76,765.02 = 30,474.12 : x
  2. Step 2: Convert to fraction form
    55,626.12/76,765.02 = 30,474.12/x
  3. Step 3: Cross multiply
    55,626.12x = 76,765.02 × 30,474.12
  4. Step 4: Simplify right side
    55,626.12x = 2,339,346,431.28
  5. Step 5: Solve for x
    x = 2,339,346,431.28/55,626.12
  6. Step 6: Final answer
    x = 42,054.82

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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.