Home / 79,182.09-109,307.75-46,914.57

Finding the Fourth Proportional to 79,182.09, 109,307.75 and 46,914.57

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Solution

The fourth proportional to 79,182.09, 109,307.75 and 46,914.57 is: 64,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.09 : 109,307.75 = 46,914.57 : x
  2. Step 2: Convert to fraction form
    79,182.09/109,307.75 = 46,914.57/x
  3. Step 3: Cross multiply
    79,182.09x = 109,307.75 × 46,914.57
  4. Step 4: Simplify right side
    79,182.09x = 5,128,125,854.34
  5. Step 5: Solve for x
    x = 5,128,125,854.34/79,182.09
  6. Step 6: Final answer
    x = 64,763.71

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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.