Home / 117,769.08-162,518.94-64,053

Finding the Fourth Proportional to 117,769.08, 162,518.94 and 64,053

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Solution

The fourth proportional to 117,769.08, 162,518.94 and 64,053 is: 88,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.08 : 162,518.94 = 64,053 : x
  2. Step 2: Convert to fraction form
    117,769.08/162,518.94 = 64,053/x
  3. Step 3: Cross multiply
    117,769.08x = 162,518.94 × 64,053
  4. Step 4: Simplify right side
    117,769.08x = 10,409,825,663.82
  5. Step 5: Solve for x
    x = 10,409,825,663.82/117,769.08
  6. Step 6: Final answer
    x = 88,391.84

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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.