Home / 91,202.69-125,917.38-62,570.27

Finding the Fourth Proportional to 91,202.69, 125,917.38 and 62,570.27

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Solution

The fourth proportional to 91,202.69, 125,917.38 and 62,570.27 is: 86,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,202.69 : 125,917.38 = 62,570.27 : x
  2. Step 2: Convert to fraction form
    91,202.69/125,917.38 = 62,570.27/x
  3. Step 3: Cross multiply
    91,202.69x = 125,917.38 × 62,570.27
  4. Step 4: Simplify right side
    91,202.69x = 7,878,683,834.71
  5. Step 5: Solve for x
    x = 7,878,683,834.71/91,202.69
  6. Step 6: Final answer
    x = 86,386.53

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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.