Home / 117,477.46-162,117.07-63,762.02

Finding the Fourth Proportional to 117,477.46, 162,117.07 and 63,762.02

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Solution

The fourth proportional to 117,477.46, 162,117.07 and 63,762.02 is: 87,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.46 : 162,117.07 = 63,762.02 : x
  2. Step 2: Convert to fraction form
    117,477.46/162,117.07 = 63,762.02/x
  3. Step 3: Cross multiply
    117,477.46x = 162,117.07 × 63,762.02
  4. Step 4: Simplify right side
    117,477.46x = 10,336,910,889.69
  5. Step 5: Solve for x
    x = 10,336,910,889.69/117,477.46
  6. Step 6: Final answer
    x = 87,990.59

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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.