Home / 104,888.29-157,336.76-54,940.45

Finding the Fourth Proportional to 104,888.29, 157,336.76 and 54,940.45

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Solution

The fourth proportional to 104,888.29, 157,336.76 and 54,940.45 is: 82,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,888.29 : 157,336.76 = 54,940.45 : x
  2. Step 2: Convert to fraction form
    104,888.29/157,336.76 = 54,940.45/x
  3. Step 3: Cross multiply
    104,888.29x = 157,336.76 × 54,940.45
  4. Step 4: Simplify right side
    104,888.29x = 8,644,152,395.94
  5. Step 5: Solve for x
    x = 8,644,152,395.94/104,888.29
  6. Step 6: Final answer
    x = 82,412.94

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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.