Home / 89,628.16-123,725.04-63,803.44

Finding the Fourth Proportional to 89,628.16, 123,725.04 and 63,803.44

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Solution

The fourth proportional to 89,628.16, 123,725.04 and 63,803.44 is: 88,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.16 : 123,725.04 = 63,803.44 : x
  2. Step 2: Convert to fraction form
    89,628.16/123,725.04 = 63,803.44/x
  3. Step 3: Cross multiply
    89,628.16x = 123,725.04 × 63,803.44
  4. Step 4: Simplify right side
    89,628.16x = 7,894,083,166.14
  5. Step 5: Solve for x
    x = 7,894,083,166.14/89,628.16
  6. Step 6: Final answer
    x = 88,075.93

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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.