Home / 95,726.85-143,277.25-70,419.61

Finding the Fourth Proportional to 95,726.85, 143,277.25 and 70,419.61

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Solution

The fourth proportional to 95,726.85, 143,277.25 and 70,419.61 is: 105,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,726.85 : 143,277.25 = 70,419.61 : x
  2. Step 2: Convert to fraction form
    95,726.85/143,277.25 = 70,419.61/x
  3. Step 3: Cross multiply
    95,726.85x = 143,277.25 × 70,419.61
  4. Step 4: Simplify right side
    95,726.85x = 10,089,528,066.87
  5. Step 5: Solve for x
    x = 10,089,528,066.87/95,726.85
  6. Step 6: Final answer
    x = 105,399.14

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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.