Home / 84,866.27-117,119.16-47,140.52

Finding the Fourth Proportional to 84,866.27, 117,119.16 and 47,140.52

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Solution

The fourth proportional to 84,866.27, 117,119.16 and 47,140.52 is: 65,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866.27 : 117,119.16 = 47,140.52 : x
  2. Step 2: Convert to fraction form
    84,866.27/117,119.16 = 47,140.52/x
  3. Step 3: Cross multiply
    84,866.27x = 117,119.16 × 47,140.52
  4. Step 4: Simplify right side
    84,866.27x = 5,521,057,518.77
  5. Step 5: Solve for x
    x = 5,521,057,518.77/84,866.27
  6. Step 6: Final answer
    x = 65,055.97

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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.