Home / 67,270.02-92,793.78-42,075.78

Finding the Fourth Proportional to 67,270.02, 92,793.78 and 42,075.78

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Solution

The fourth proportional to 67,270.02, 92,793.78 and 42,075.78 is: 58,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,270.02 : 92,793.78 = 42,075.78 : x
  2. Step 2: Convert to fraction form
    67,270.02/92,793.78 = 42,075.78/x
  3. Step 3: Cross multiply
    67,270.02x = 92,793.78 × 42,075.78
  4. Step 4: Simplify right side
    67,270.02x = 3,904,370,672.65
  5. Step 5: Solve for x
    x = 3,904,370,672.65/67,270.02
  6. Step 6: Final answer
    x = 58,040.28

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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.