Home / 99,070.56-136,716.84-53,749.44

Finding the Fourth Proportional to 99,070.56, 136,716.84 and 53,749.44

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Solution

The fourth proportional to 99,070.56, 136,716.84 and 53,749.44 is: 74,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.56 : 136,716.84 = 53,749.44 : x
  2. Step 2: Convert to fraction form
    99,070.56/136,716.84 = 53,749.44/x
  3. Step 3: Cross multiply
    99,070.56x = 136,716.84 × 53,749.44
  4. Step 4: Simplify right side
    99,070.56x = 7,348,453,588.57
  5. Step 5: Solve for x
    x = 7,348,453,588.57/99,070.56
  6. Step 6: Final answer
    x = 74,173.94

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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.