Home / 89,368.19-123,323.21-49,075.44

Finding the Fourth Proportional to 89,368.19, 123,323.21 and 49,075.44

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Solution

The fourth proportional to 89,368.19, 123,323.21 and 49,075.44 is: 67,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,368.19 : 123,323.21 = 49,075.44 : x
  2. Step 2: Convert to fraction form
    89,368.19/123,323.21 = 49,075.44/x
  3. Step 3: Cross multiply
    89,368.19x = 123,323.21 × 49,075.44
  4. Step 4: Simplify right side
    89,368.19x = 6,052,141,309.70
  5. Step 5: Solve for x
    x = 6,052,141,309.70/89,368.19
  6. Step 6: Final answer
    x = 67,721.43

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1.5x scale

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.