Home / 79,946.21-110,329.34-45,965.72

Finding the Fourth Proportional to 79,946.21, 110,329.34 and 45,965.72

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Solution

The fourth proportional to 79,946.21, 110,329.34 and 45,965.72 is: 63,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,946.21 : 110,329.34 = 45,965.72 : x
  2. Step 2: Convert to fraction form
    79,946.21/110,329.34 = 45,965.72/x
  3. Step 3: Cross multiply
    79,946.21x = 110,329.34 × 45,965.72
  4. Step 4: Simplify right side
    79,946.21x = 5,071,366,768.75
  5. Step 5: Solve for x
    x = 5,071,366,768.75/79,946.21
  6. Step 6: Final answer
    x = 63,434.74

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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.