Home / 91,185.84-125,849.16-55,370.52

Finding the Fourth Proportional to 91,185.84, 125,849.16 and 55,370.52

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Solution

The fourth proportional to 91,185.84, 125,849.16 and 55,370.52 is: 76,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,185.84 : 125,849.16 = 55,370.52 : x
  2. Step 2: Convert to fraction form
    91,185.84/125,849.16 = 55,370.52/x
  3. Step 3: Cross multiply
    91,185.84x = 125,849.16 × 55,370.52
  4. Step 4: Simplify right side
    91,185.84x = 6,968,333,430.76
  5. Step 5: Solve for x
    x = 6,968,333,430.76/91,185.84
  6. Step 6: Final answer
    x = 76,419.03

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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.