Home / 99,208.48-136,850.16-65,223.04

Finding the Fourth Proportional to 99,208.48, 136,850.16 and 65,223.04

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Solution

The fourth proportional to 99,208.48, 136,850.16 and 65,223.04 is: 89,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.48 : 136,850.16 = 65,223.04 : x
  2. Step 2: Convert to fraction form
    99,208.48/136,850.16 = 65,223.04/x
  3. Step 3: Cross multiply
    99,208.48x = 136,850.16 × 65,223.04
  4. Step 4: Simplify right side
    99,208.48x = 8,925,783,459.69
  5. Step 5: Solve for x
    x = 8,925,783,459.69/99,208.48
  6. Step 6: Final answer
    x = 89,969.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.