Home / 118,075.73-162,939.60-64,359.56

Finding the Fourth Proportional to 118,075.73, 162,939.60 and 64,359.56

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Solution

The fourth proportional to 118,075.73, 162,939.60 and 64,359.56 is: 88,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,075.73 : 162,939.60 = 64,359.56 : x
  2. Step 2: Convert to fraction form
    118,075.73/162,939.60 = 64,359.56/x
  3. Step 3: Cross multiply
    118,075.73x = 162,939.60 × 64,359.56
  4. Step 4: Simplify right side
    118,075.73x = 10,486,721,369.93
  5. Step 5: Solve for x
    x = 10,486,721,369.93/118,075.73
  6. Step 6: Final answer
    x = 88,813.53

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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.