Home / 65,887.11-98,840.30-19,133.91

Finding the Fourth Proportional to 65,887.11, 98,840.30 and 19,133.91

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Solution

The fourth proportional to 65,887.11, 98,840.30 and 19,133.91 is: 28,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,887.11 : 98,840.30 = 19,133.91 : x
  2. Step 2: Convert to fraction form
    65,887.11/98,840.30 = 19,133.91/x
  3. Step 3: Cross multiply
    65,887.11x = 98,840.30 × 19,133.91
  4. Step 4: Simplify right side
    65,887.11x = 1,891,201,308.90
  5. Step 5: Solve for x
    x = 1,891,201,308.90/65,887.11
  6. Step 6: Final answer
    x = 28,703.66

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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.