Home / 107,580.25-148,460.75-62,868.25

Finding the Fourth Proportional to 107,580.25, 148,460.75 and 62,868.25

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Solution

The fourth proportional to 107,580.25, 148,460.75 and 62,868.25 is: 86,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,580.25 : 148,460.75 = 62,868.25 : x
  2. Step 2: Convert to fraction form
    107,580.25/148,460.75 = 62,868.25/x
  3. Step 3: Cross multiply
    107,580.25x = 148,460.75 × 62,868.25
  4. Step 4: Simplify right side
    107,580.25x = 9,333,467,546.19
  5. Step 5: Solve for x
    x = 9,333,467,546.19/107,580.25
  6. Step 6: Final answer
    x = 86,758.19

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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.