Home / 117,581.00-162,263.91-66,604.31

Finding the Fourth Proportional to 117,581.00, 162,263.91 and 66,604.31

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Solution

The fourth proportional to 117,581.00, 162,263.91 and 66,604.31 is: 91,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,581.00 : 162,263.91 = 66,604.31 : x
  2. Step 2: Convert to fraction form
    117,581.00/162,263.91 = 66,604.31/x
  3. Step 3: Cross multiply
    117,581.00x = 162,263.91 × 66,604.31
  4. Step 4: Simplify right side
    117,581.00x = 10,807,475,810.39
  5. Step 5: Solve for x
    x = 10,807,475,810.39/117,581.00
  6. Step 6: Final answer
    x = 91,915.16

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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.