Home / 115,447.03-159,315.33-64,460.55

Finding the Fourth Proportional to 115,447.03, 159,315.33 and 64,460.55

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Solution

The fourth proportional to 115,447.03, 159,315.33 and 64,460.55 is: 88,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.03 : 159,315.33 = 64,460.55 : x
  2. Step 2: Convert to fraction form
    115,447.03/159,315.33 = 64,460.55/x
  3. Step 3: Cross multiply
    115,447.03x = 159,315.33 × 64,460.55
  4. Step 4: Simplify right side
    115,447.03x = 10,269,553,795.23
  5. Step 5: Solve for x
    x = 10,269,553,795.23/115,447.03
  6. Step 6: Final answer
    x = 88,954.68

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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.