Home / 124,868.34-172,295.86-73,855.64

Finding the Fourth Proportional to 124,868.34, 172,295.86 and 73,855.64

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Solution

The fourth proportional to 124,868.34, 172,295.86 and 73,855.64 is: 101,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,868.34 : 172,295.86 = 73,855.64 : x
  2. Step 2: Convert to fraction form
    124,868.34/172,295.86 = 73,855.64/x
  3. Step 3: Cross multiply
    124,868.34x = 172,295.86 × 73,855.64
  4. Step 4: Simplify right side
    124,868.34x = 12,725,021,009.65
  5. Step 5: Solve for x
    x = 12,725,021,009.65/124,868.34
  6. Step 6: Final answer
    x = 101,907.51

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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.