Home / 99,116.54-136,782.14-53,795.07

Finding the Fourth Proportional to 99,116.54, 136,782.14 and 53,795.07

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Solution

The fourth proportional to 99,116.54, 136,782.14 and 53,795.07 is: 74,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,116.54 : 136,782.14 = 53,795.07 : x
  2. Step 2: Convert to fraction form
    99,116.54/136,782.14 = 53,795.07/x
  3. Step 3: Cross multiply
    99,116.54x = 136,782.14 × 53,795.07
  4. Step 4: Simplify right side
    99,116.54x = 7,358,204,980.97
  5. Step 5: Solve for x
    x = 7,358,204,980.97/99,116.54
  6. Step 6: Final answer
    x = 74,237.91

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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.