Home / 84,847.16-117,147.66-53,030.36

Finding the Fourth Proportional to 84,847.16, 117,147.66 and 53,030.36

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Solution

The fourth proportional to 84,847.16, 117,147.66 and 53,030.36 is: 73,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.16 : 117,147.66 = 53,030.36 : x
  2. Step 2: Convert to fraction form
    84,847.16/117,147.66 = 53,030.36/x
  3. Step 3: Cross multiply
    84,847.16x = 117,147.66 × 53,030.36
  4. Step 4: Simplify right side
    84,847.16x = 6,212,382,582.96
  5. Step 5: Solve for x
    x = 6,212,382,582.96/84,847.16
  6. Step 6: Final answer
    x = 73,218.51

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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.