Home / 55,119.16-76,064.34-29,968.60

Finding the Fourth Proportional to 55,119.16, 76,064.34 and 29,968.60

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Solution

The fourth proportional to 55,119.16, 76,064.34 and 29,968.60 is: 41,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.16 : 76,064.34 = 29,968.60 : x
  2. Step 2: Convert to fraction form
    55,119.16/76,064.34 = 29,968.60/x
  3. Step 3: Cross multiply
    55,119.16x = 76,064.34 × 29,968.60
  4. Step 4: Simplify right side
    55,119.16x = 2,279,541,779.72
  5. Step 5: Solve for x
    x = 2,279,541,779.72/55,119.16
  6. Step 6: Final answer
    x = 41,356.61

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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.