Home / 84,899.04-117,161.37-53,086.38

Finding the Fourth Proportional to 84,899.04, 117,161.37 and 53,086.38

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Solution

The fourth proportional to 84,899.04, 117,161.37 and 53,086.38 is: 73,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.04 : 117,161.37 = 53,086.38 : x
  2. Step 2: Convert to fraction form
    84,899.04/117,161.37 = 53,086.38/x
  3. Step 3: Cross multiply
    84,899.04x = 117,161.37 × 53,086.38
  4. Step 4: Simplify right side
    84,899.04x = 6,219,673,009.14
  5. Step 5: Solve for x
    x = 6,219,673,009.14/84,899.04
  6. Step 6: Final answer
    x = 73,259.64

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1.5x scale

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.