Home / 117,754.12-162,501.87-64,040.34

Finding the Fourth Proportional to 117,754.12, 162,501.87 and 64,040.34

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Solution

The fourth proportional to 117,754.12, 162,501.87 and 64,040.34 is: 88,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,754.12 : 162,501.87 = 64,040.34 : x
  2. Step 2: Convert to fraction form
    117,754.12/162,501.87 = 64,040.34/x
  3. Step 3: Cross multiply
    117,754.12x = 162,501.87 × 64,040.34
  4. Step 4: Simplify right side
    117,754.12x = 10,406,675,005.44
  5. Step 5: Solve for x
    x = 10,406,675,005.44/117,754.12
  6. Step 6: Final answer
    x = 88,376.31

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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.