Home / 104,955.36-157,176.54-55,077.72

Finding the Fourth Proportional to 104,955.36, 157,176.54 and 55,077.72

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Solution

The fourth proportional to 104,955.36, 157,176.54 and 55,077.72 is: 82,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,955.36 : 157,176.54 = 55,077.72 : x
  2. Step 2: Convert to fraction form
    104,955.36/157,176.54 = 55,077.72/x
  3. Step 3: Cross multiply
    104,955.36x = 157,176.54 × 55,077.72
  4. Step 4: Simplify right side
    104,955.36x = 8,656,925,460.69
  5. Step 5: Solve for x
    x = 8,656,925,460.69/104,955.36
  6. Step 6: Final answer
    x = 82,481.98

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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.