Home / 55,259.19-76,257.68-30,108.69

Finding the Fourth Proportional to 55,259.19, 76,257.68 and 30,108.69

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Solution

The fourth proportional to 55,259.19, 76,257.68 and 30,108.69 is: 41,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.19 : 76,257.68 = 30,108.69 : x
  2. Step 2: Convert to fraction form
    55,259.19/76,257.68 = 30,108.69/x
  3. Step 3: Cross multiply
    55,259.19x = 76,257.68 × 30,108.69
  4. Step 4: Simplify right side
    55,259.19x = 2,296,018,847.24
  5. Step 5: Solve for x
    x = 2,296,018,847.24/55,259.19
  6. Step 6: Final answer
    x = 41,549.99

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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.