Home / 68,075.95-102,115.98-25,392.55

Finding the Fourth Proportional to 68,075.95, 102,115.98 and 25,392.55

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Solution

The fourth proportional to 68,075.95, 102,115.98 and 25,392.55 is: 38,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.95 : 102,115.98 = 25,392.55 : x
  2. Step 2: Convert to fraction form
    68,075.95/102,115.98 = 25,392.55/x
  3. Step 3: Cross multiply
    68,075.95x = 102,115.98 × 25,392.55
  4. Step 4: Simplify right side
    68,075.95x = 2,592,985,127.95
  5. Step 5: Solve for x
    x = 2,592,985,127.95/68,075.95
  6. Step 6: Final answer
    x = 38,089.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.