Home / 117,478.46-162,115.94-63,762.32

Finding the Fourth Proportional to 117,478.46, 162,115.94 and 63,762.32

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Solution

The fourth proportional to 117,478.46, 162,115.94 and 63,762.32 is: 87,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,478.46 : 162,115.94 = 63,762.32 : x
  2. Step 2: Convert to fraction form
    117,478.46/162,115.94 = 63,762.32/x
  3. Step 3: Cross multiply
    117,478.46x = 162,115.94 × 63,762.32
  4. Step 4: Simplify right side
    117,478.46x = 10,336,888,443.38
  5. Step 5: Solve for x
    x = 10,336,888,443.38/117,478.46
  6. Step 6: Final answer
    x = 87,989.65

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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.