Home / 117,582.66-162,259.47-69,834.78

Finding the Fourth Proportional to 117,582.66, 162,259.47 and 69,834.78

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Solution

The fourth proportional to 117,582.66, 162,259.47 and 69,834.78 is: 96,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,582.66 : 162,259.47 = 69,834.78 : x
  2. Step 2: Convert to fraction form
    117,582.66/162,259.47 = 69,834.78/x
  3. Step 3: Cross multiply
    117,582.66x = 162,259.47 × 69,834.78
  4. Step 4: Simplify right side
    117,582.66x = 11,331,354,390.37
  5. Step 5: Solve for x
    x = 11,331,354,390.37/117,582.66
  6. Step 6: Final answer
    x = 96,369.26

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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.