Home / 65,918.94-98,877.37-15,999.45

Finding the Fourth Proportional to 65,918.94, 98,877.37 and 15,999.45

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Solution

The fourth proportional to 65,918.94, 98,877.37 and 15,999.45 is: 23,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.94 : 98,877.37 = 15,999.45 : x
  2. Step 2: Convert to fraction form
    65,918.94/98,877.37 = 15,999.45/x
  3. Step 3: Cross multiply
    65,918.94x = 98,877.37 × 15,999.45
  4. Step 4: Simplify right side
    65,918.94x = 1,581,983,457.45
  5. Step 5: Solve for x
    x = 1,581,983,457.45/65,918.94
  6. Step 6: Final answer
    x = 23,998.92

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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.