Home / 55,080.16-76,021.68-32,719.84

Finding the Fourth Proportional to 55,080.16, 76,021.68 and 32,719.84

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Solution

The fourth proportional to 55,080.16, 76,021.68 and 32,719.84 is: 45,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.16 : 76,021.68 = 32,719.84 : x
  2. Step 2: Convert to fraction form
    55,080.16/76,021.68 = 32,719.84/x
  3. Step 3: Cross multiply
    55,080.16x = 76,021.68 × 32,719.84
  4. Step 4: Simplify right side
    55,080.16x = 2,487,417,206.13
  5. Step 5: Solve for x
    x = 2,487,417,206.13/55,080.16
  6. Step 6: Final answer
    x = 45,159.95

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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.