Home / 65,918.72-98,877.33-15,999.36

Finding the Fourth Proportional to 65,918.72, 98,877.33 and 15,999.36

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Solution

The fourth proportional to 65,918.72, 98,877.33 and 15,999.36 is: 23,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.72 : 98,877.33 = 15,999.36 : x
  2. Step 2: Convert to fraction form
    65,918.72/98,877.33 = 15,999.36/x
  3. Step 3: Cross multiply
    65,918.72x = 98,877.33 × 15,999.36
  4. Step 4: Simplify right side
    65,918.72x = 1,581,973,998.51
  5. Step 5: Solve for x
    x = 1,581,973,998.51/65,918.72
  6. Step 6: Final answer
    x = 23,998.86

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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.