Home / 55,226.40-76,213.30-30,075.88

Finding the Fourth Proportional to 55,226.40, 76,213.30 and 30,075.88

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Solution

The fourth proportional to 55,226.40, 76,213.30 and 30,075.88 is: 41,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226.40 : 76,213.30 = 30,075.88 : x
  2. Step 2: Convert to fraction form
    55,226.40/76,213.30 = 30,075.88/x
  3. Step 3: Cross multiply
    55,226.40x = 76,213.30 × 30,075.88
  4. Step 4: Simplify right side
    55,226.40x = 2,292,182,065.20
  5. Step 5: Solve for x
    x = 2,292,182,065.20/55,226.40
  6. Step 6: Final answer
    x = 41,505.19

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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.