Home / 118,959.84-164,163.18-64,511.16

Finding the Fourth Proportional to 118,959.84, 164,163.18 and 64,511.16

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Solution

The fourth proportional to 118,959.84, 164,163.18 and 64,511.16 is: 89,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,959.84 : 164,163.18 = 64,511.16 : x
  2. Step 2: Convert to fraction form
    118,959.84/164,163.18 = 64,511.16/x
  3. Step 3: Cross multiply
    118,959.84x = 164,163.18 × 64,511.16
  4. Step 4: Simplify right side
    118,959.84x = 10,590,357,171.09
  5. Step 5: Solve for x
    x = 10,590,357,171.09/118,959.84
  6. Step 6: Final answer
    x = 89,024.64

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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.