Home / 117,670.19-162,385.94-63,955.33

Finding the Fourth Proportional to 117,670.19, 162,385.94 and 63,955.33

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Solution

The fourth proportional to 117,670.19, 162,385.94 and 63,955.33 is: 88,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,670.19 : 162,385.94 = 63,955.33 : x
  2. Step 2: Convert to fraction form
    117,670.19/162,385.94 = 63,955.33/x
  3. Step 3: Cross multiply
    117,670.19x = 162,385.94 × 63,955.33
  4. Step 4: Simplify right side
    117,670.19x = 10,385,446,133.98
  5. Step 5: Solve for x
    x = 10,385,446,133.98/117,670.19
  6. Step 6: Final answer
    x = 88,258.94

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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.