Home / 55,773.02-76,967.38-30,279.62

Finding the Fourth Proportional to 55,773.02, 76,967.38 and 30,279.62

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Solution

The fourth proportional to 55,773.02, 76,967.38 and 30,279.62 is: 41,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.02 : 76,967.38 = 30,279.62 : x
  2. Step 2: Convert to fraction form
    55,773.02/76,967.38 = 30,279.62/x
  3. Step 3: Cross multiply
    55,773.02x = 76,967.38 × 30,279.62
  4. Step 4: Simplify right side
    55,773.02x = 2,330,543,018.80
  5. Step 5: Solve for x
    x = 2,330,543,018.80/55,773.02
  6. Step 6: Final answer
    x = 41,786.21

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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.