Home / 55,625.68-76,765.35-30,475.18

Finding the Fourth Proportional to 55,625.68, 76,765.35 and 30,475.18

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Solution

The fourth proportional to 55,625.68, 76,765.35 and 30,475.18 is: 42,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.68 : 76,765.35 = 30,475.18 : x
  2. Step 2: Convert to fraction form
    55,625.68/76,765.35 = 30,475.18/x
  3. Step 3: Cross multiply
    55,625.68x = 76,765.35 × 30,475.18
  4. Step 4: Simplify right side
    55,625.68x = 2,339,437,859.01
  5. Step 5: Solve for x
    x = 2,339,437,859.01/55,625.68
  6. Step 6: Final answer
    x = 42,056.80

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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.