Home / 107,973.62-148,970.57-62,635.89

Finding the Fourth Proportional to 107,973.62, 148,970.57 and 62,635.89

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Solution

The fourth proportional to 107,973.62, 148,970.57 and 62,635.89 is: 86,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,973.62 : 148,970.57 = 62,635.89 : x
  2. Step 2: Convert to fraction form
    107,973.62/148,970.57 = 62,635.89/x
  3. Step 3: Cross multiply
    107,973.62x = 148,970.57 × 62,635.89
  4. Step 4: Simplify right side
    107,973.62x = 9,330,903,922.58
  5. Step 5: Solve for x
    x = 9,330,903,922.58/107,973.62
  6. Step 6: Final answer
    x = 86,418.37

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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.