Home / 117,453.24-162,091.98-66,468.60

Finding the Fourth Proportional to 117,453.24, 162,091.98 and 66,468.60

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Solution

The fourth proportional to 117,453.24, 162,091.98 and 66,468.60 is: 91,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.24 : 162,091.98 = 66,468.60 : x
  2. Step 2: Convert to fraction form
    117,453.24/162,091.98 = 66,468.60/x
  3. Step 3: Cross multiply
    117,453.24x = 162,091.98 × 66,468.60
  4. Step 4: Simplify right side
    117,453.24x = 10,774,026,981.83
  5. Step 5: Solve for x
    x = 10,774,026,981.83/117,453.24
  6. Step 6: Final answer
    x = 91,730.35

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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.