Home / 117,477.54-162,122.19-63,762.66

Finding the Fourth Proportional to 117,477.54, 162,122.19 and 63,762.66

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Solution

The fourth proportional to 117,477.54, 162,122.19 and 63,762.66 is: 87,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.54 : 162,122.19 = 63,762.66 : x
  2. Step 2: Convert to fraction form
    117,477.54/162,122.19 = 63,762.66/x
  3. Step 3: Cross multiply
    117,477.54x = 162,122.19 × 63,762.66
  4. Step 4: Simplify right side
    117,477.54x = 10,337,342,079.43
  5. Step 5: Solve for x
    x = 10,337,342,079.43/117,477.54
  6. Step 6: Final answer
    x = 87,994.20

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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.