Home / 92,399.88-138,601.98-30,075.24

Finding the Fourth Proportional to 92,399.88, 138,601.98 and 30,075.24

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Solution

The fourth proportional to 92,399.88, 138,601.98 and 30,075.24 is: 45,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.88 : 138,601.98 = 30,075.24 : x
  2. Step 2: Convert to fraction form
    92,399.88/138,601.98 = 30,075.24/x
  3. Step 3: Cross multiply
    92,399.88x = 138,601.98 × 30,075.24
  4. Step 4: Simplify right side
    92,399.88x = 4,168,487,812.98
  5. Step 5: Solve for x
    x = 4,168,487,812.98/92,399.88
  6. Step 6: Final answer
    x = 45,113.56

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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.