Home / 98,527.86-147,791.75-31,968

Finding the Fourth Proportional to 98,527.86, 147,791.75 and 31,968

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Solution

The fourth proportional to 98,527.86, 147,791.75 and 31,968 is: 47,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,527.86 : 147,791.75 = 31,968 : x
  2. Step 2: Convert to fraction form
    98,527.86/147,791.75 = 31,968/x
  3. Step 3: Cross multiply
    98,527.86x = 147,791.75 × 31,968
  4. Step 4: Simplify right side
    98,527.86x = 4,724,606,504.16
  5. Step 5: Solve for x
    x = 4,724,606,504.16/98,527.86
  6. Step 6: Final answer
    x = 47,951.99

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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.