Home / 97,707.31-146,571.59-31,131.79

Finding the Fourth Proportional to 97,707.31, 146,571.59 and 31,131.79

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Solution

The fourth proportional to 97,707.31, 146,571.59 and 31,131.79 is: 46,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,707.31 : 146,571.59 = 31,131.79 : x
  2. Step 2: Convert to fraction form
    97,707.31/146,571.59 = 31,131.79/x
  3. Step 3: Cross multiply
    97,707.31x = 146,571.59 × 31,131.79
  4. Step 4: Simplify right side
    97,707.31x = 4,563,035,804.19
  5. Step 5: Solve for x
    x = 4,563,035,804.19/97,707.31
  6. Step 6: Final answer
    x = 46,701.07

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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.