Home / 118,029.06-162,878.04-64,314.54

Finding the Fourth Proportional to 118,029.06, 162,878.04 and 64,314.54

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Solution

The fourth proportional to 118,029.06, 162,878.04 and 64,314.54 is: 88,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,029.06 : 162,878.04 = 64,314.54 : x
  2. Step 2: Convert to fraction form
    118,029.06/162,878.04 = 64,314.54/x
  3. Step 3: Cross multiply
    118,029.06x = 162,878.04 × 64,314.54
  4. Step 4: Simplify right side
    118,029.06x = 10,475,426,218.70
  5. Step 5: Solve for x
    x = 10,475,426,218.70/118,029.06
  6. Step 6: Final answer
    x = 88,752.94

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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.