Home / 65,817.33-98,726.00-30,781.59

Finding the Fourth Proportional to 65,817.33, 98,726.00 and 30,781.59

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Solution

The fourth proportional to 65,817.33, 98,726.00 and 30,781.59 is: 46,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,817.33 : 98,726.00 = 30,781.59 : x
  2. Step 2: Convert to fraction form
    65,817.33/98,726.00 = 30,781.59/x
  3. Step 3: Cross multiply
    65,817.33x = 98,726.00 × 30,781.59
  4. Step 4: Simplify right side
    65,817.33x = 3,038,943,100.43
  5. Step 5: Solve for x
    x = 3,038,943,100.43/65,817.33
  6. Step 6: Final answer
    x = 46,172.39

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1.5x scale

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.