Home / 65,849.77-98,764.64-21,476.46

Finding the Fourth Proportional to 65,849.77, 98,764.64 and 21,476.46

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Solution

The fourth proportional to 65,849.77, 98,764.64 and 21,476.46 is: 32,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.77 : 98,764.64 = 21,476.46 : x
  2. Step 2: Convert to fraction form
    65,849.77/98,764.64 = 21,476.46/x
  3. Step 3: Cross multiply
    65,849.77x = 98,764.64 × 21,476.46
  4. Step 4: Simplify right side
    65,849.77x = 2,121,114,239.17
  5. Step 5: Solve for x
    x = 2,121,114,239.17/65,849.77
  6. Step 6: Final answer
    x = 32,211.41

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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.