Home / 116,121.54-173,886.87-76,558.62

Finding the Fourth Proportional to 116,121.54, 173,886.87 and 76,558.62

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Solution

The fourth proportional to 116,121.54, 173,886.87 and 76,558.62 is: 114,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,121.54 : 173,886.87 = 76,558.62 : x
  2. Step 2: Convert to fraction form
    116,121.54/173,886.87 = 76,558.62/x
  3. Step 3: Cross multiply
    116,121.54x = 173,886.87 × 76,558.62
  4. Step 4: Simplify right side
    116,121.54x = 13,312,538,803.32
  5. Step 5: Solve for x
    x = 13,312,538,803.32/116,121.54
  6. Step 6: Final answer
    x = 114,643.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.