Home / 71,318.26-98,420.73-39,054.24

Finding the Fourth Proportional to 71,318.26, 98,420.73 and 39,054.24

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Solution

The fourth proportional to 71,318.26, 98,420.73 and 39,054.24 is: 53,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,318.26 : 98,420.73 = 39,054.24 : x
  2. Step 2: Convert to fraction form
    71,318.26/98,420.73 = 39,054.24/x
  3. Step 3: Cross multiply
    71,318.26x = 98,420.73 × 39,054.24
  4. Step 4: Simplify right side
    71,318.26x = 3,843,746,810.40
  5. Step 5: Solve for x
    x = 3,843,746,810.40/71,318.26
  6. Step 6: Final answer
    x = 53,895.69

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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.