Home / 65,721.49-98,590.43-25,735.31

Finding the Fourth Proportional to 65,721.49, 98,590.43 and 25,735.31

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Solution

The fourth proportional to 65,721.49, 98,590.43 and 25,735.31 is: 38,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.49 : 98,590.43 = 25,735.31 : x
  2. Step 2: Convert to fraction form
    65,721.49/98,590.43 = 25,735.31/x
  3. Step 3: Cross multiply
    65,721.49x = 98,590.43 × 25,735.31
  4. Step 4: Simplify right side
    65,721.49x = 2,537,255,279.08
  5. Step 5: Solve for x
    x = 2,537,255,279.08/65,721.49
  6. Step 6: Final answer
    x = 38,606.17

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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.