Home / 91,065.97-125,683.37-53,355.25

Finding the Fourth Proportional to 91,065.97, 125,683.37 and 53,355.25

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Solution

The fourth proportional to 91,065.97, 125,683.37 and 53,355.25 is: 73,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.97 : 125,683.37 = 53,355.25 : x
  2. Step 2: Convert to fraction form
    91,065.97/125,683.37 = 53,355.25/x
  3. Step 3: Cross multiply
    91,065.97x = 125,683.37 × 53,355.25
  4. Step 4: Simplify right side
    91,065.97x = 6,705,867,627.19
  5. Step 5: Solve for x
    x = 6,705,867,627.19/91,065.97
  6. Step 6: Final answer
    x = 73,637.47

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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.