Home / 117,754.82-162,500.09-64,038.68

Finding the Fourth Proportional to 117,754.82, 162,500.09 and 64,038.68

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Solution

The fourth proportional to 117,754.82, 162,500.09 and 64,038.68 is: 88,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,754.82 : 162,500.09 = 64,038.68 : x
  2. Step 2: Convert to fraction form
    117,754.82/162,500.09 = 64,038.68/x
  3. Step 3: Cross multiply
    117,754.82x = 162,500.09 × 64,038.68
  4. Step 4: Simplify right side
    117,754.82x = 10,406,291,829.83
  5. Step 5: Solve for x
    x = 10,406,291,829.83/117,754.82
  6. Step 6: Final answer
    x = 88,372.54

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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.