Home / 55,080.16-76,008.96-29,929.60

Finding the Fourth Proportional to 55,080.16, 76,008.96 and 29,929.60

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Solution

The fourth proportional to 55,080.16, 76,008.96 and 29,929.60 is: 41,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.16 : 76,008.96 = 29,929.60 : x
  2. Step 2: Convert to fraction form
    55,080.16/76,008.96 = 29,929.60/x
  3. Step 3: Cross multiply
    55,080.16x = 76,008.96 × 29,929.60
  4. Step 4: Simplify right side
    55,080.16x = 2,274,917,769.22
  5. Step 5: Solve for x
    x = 2,274,917,769.22/55,080.16
  6. Step 6: Final answer
    x = 41,301.95

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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.