Home / 99,093.47-136,710.06-56,629.22

Finding the Fourth Proportional to 99,093.47, 136,710.06 and 56,629.22

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Solution

The fourth proportional to 99,093.47, 136,710.06 and 56,629.22 is: 78,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,093.47 : 136,710.06 = 56,629.22 : x
  2. Step 2: Convert to fraction form
    99,093.47/136,710.06 = 56,629.22/x
  3. Step 3: Cross multiply
    99,093.47x = 136,710.06 × 56,629.22
  4. Step 4: Simplify right side
    99,093.47x = 7,741,784,063.95
  5. Step 5: Solve for x
    x = 7,741,784,063.95/99,093.47
  6. Step 6: Final answer
    x = 78,126.08

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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.