Home / 90,261.42-124,561.74-49,975.89

Finding the Fourth Proportional to 90,261.42, 124,561.74 and 49,975.89

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Solution

The fourth proportional to 90,261.42, 124,561.74 and 49,975.89 is: 68,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261.42 : 124,561.74 = 49,975.89 : x
  2. Step 2: Convert to fraction form
    90,261.42/124,561.74 = 49,975.89/x
  3. Step 3: Cross multiply
    90,261.42x = 124,561.74 × 49,975.89
  4. Step 4: Simplify right side
    90,261.42x = 6,225,083,816.45
  5. Step 5: Solve for x
    x = 6,225,083,816.45/90,261.42
  6. Step 6: Final answer
    x = 68,967.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.