Home / 79,036.24-109,077.44-45,046.48

Finding the Fourth Proportional to 79,036.24, 109,077.44 and 45,046.48

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Solution

The fourth proportional to 79,036.24, 109,077.44 and 45,046.48 is: 62,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.24 : 109,077.44 = 45,046.48 : x
  2. Step 2: Convert to fraction form
    79,036.24/109,077.44 = 45,046.48/x
  3. Step 3: Cross multiply
    79,036.24x = 109,077.44 × 45,046.48
  4. Step 4: Simplify right side
    79,036.24x = 4,913,554,719.41
  5. Step 5: Solve for x
    x = 4,913,554,719.41/79,036.24
  6. Step 6: Final answer
    x = 62,168.38

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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.