Home / 117,590.74-162,271.48-66,608.17

Finding the Fourth Proportional to 117,590.74, 162,271.48 and 66,608.17

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Solution

The fourth proportional to 117,590.74, 162,271.48 and 66,608.17 is: 91,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,590.74 : 162,271.48 = 66,608.17 : x
  2. Step 2: Convert to fraction form
    117,590.74/162,271.48 = 66,608.17/x
  3. Step 3: Cross multiply
    117,590.74x = 162,271.48 × 66,608.17
  4. Step 4: Simplify right side
    117,590.74x = 10,808,606,604.12
  5. Step 5: Solve for x
    x = 10,808,606,604.12/117,590.74
  6. Step 6: Final answer
    x = 91,917.16

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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.