Home / 79,494.09-109,707.95-45,513.24

Finding the Fourth Proportional to 79,494.09, 109,707.95 and 45,513.24

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Solution

The fourth proportional to 79,494.09, 109,707.95 and 45,513.24 is: 62,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.09 : 109,707.95 = 45,513.24 : x
  2. Step 2: Convert to fraction form
    79,494.09/109,707.95 = 45,513.24/x
  3. Step 3: Cross multiply
    79,494.09x = 109,707.95 × 45,513.24
  4. Step 4: Simplify right side
    79,494.09x = 4,993,164,577.74
  5. Step 5: Solve for x
    x = 4,993,164,577.74/79,494.09
  6. Step 6: Final answer
    x = 62,811.77

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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.