Home / 65,917.49-98,875.41-15,998

Finding the Fourth Proportional to 65,917.49, 98,875.41 and 15,998

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Solution

The fourth proportional to 65,917.49, 98,875.41 and 15,998 is: 23,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.49 : 98,875.41 = 15,998 : x
  2. Step 2: Convert to fraction form
    65,917.49/98,875.41 = 15,998/x
  3. Step 3: Cross multiply
    65,917.49x = 98,875.41 × 15,998
  4. Step 4: Simplify right side
    65,917.49x = 1,581,808,809.18
  5. Step 5: Solve for x
    x = 1,581,808,809.18/65,917.49
  6. Step 6: Final answer
    x = 23,996.80

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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.