Home / 79,275.02-109,400.44-45,288.02

Finding the Fourth Proportional to 79,275.02, 109,400.44 and 45,288.02

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Solution

The fourth proportional to 79,275.02, 109,400.44 and 45,288.02 is: 62,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,275.02 : 109,400.44 = 45,288.02 : x
  2. Step 2: Convert to fraction form
    79,275.02/109,400.44 = 45,288.02/x
  3. Step 3: Cross multiply
    79,275.02x = 109,400.44 × 45,288.02
  4. Step 4: Simplify right side
    79,275.02x = 4,954,529,314.73
  5. Step 5: Solve for x
    x = 4,954,529,314.73/79,275.02
  6. Step 6: Final answer
    x = 62,497.99

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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.