Home / 117,840.93-162,623.90-64,129.41

Finding the Fourth Proportional to 117,840.93, 162,623.90 and 64,129.41

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Solution

The fourth proportional to 117,840.93, 162,623.90 and 64,129.41 is: 88,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.93 : 162,623.90 = 64,129.41 : x
  2. Step 2: Convert to fraction form
    117,840.93/162,623.90 = 64,129.41/x
  3. Step 3: Cross multiply
    117,840.93x = 162,623.90 × 64,129.41
  4. Step 4: Simplify right side
    117,840.93x = 10,428,973,625.13
  5. Step 5: Solve for x
    x = 10,428,973,625.13/117,840.93
  6. Step 6: Final answer
    x = 88,500.44

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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.