Home / 118,029.84-162,879.08-64,315.28

Finding the Fourth Proportional to 118,029.84, 162,879.08 and 64,315.28

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Solution

The fourth proportional to 118,029.84, 162,879.08 and 64,315.28 is: 88,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,029.84 : 162,879.08 = 64,315.28 : x
  2. Step 2: Convert to fraction form
    118,029.84/162,879.08 = 64,315.28/x
  3. Step 3: Cross multiply
    118,029.84x = 162,879.08 × 64,315.28
  4. Step 4: Simplify right side
    118,029.84x = 10,475,612,500.37
  5. Step 5: Solve for x
    x = 10,475,612,500.37/118,029.84
  6. Step 6: Final answer
    x = 88,753.93

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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.