Home / 90,363.66-124,696.20-50,075.07

Finding the Fourth Proportional to 90,363.66, 124,696.20 and 50,075.07

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Solution

The fourth proportional to 90,363.66, 124,696.20 and 50,075.07 is: 69,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.66 : 124,696.20 = 50,075.07 : x
  2. Step 2: Convert to fraction form
    90,363.66/124,696.20 = 50,075.07/x
  3. Step 3: Cross multiply
    90,363.66x = 124,696.20 × 50,075.07
  4. Step 4: Simplify right side
    90,363.66x = 6,244,170,943.73
  5. Step 5: Solve for x
    x = 6,244,170,943.73/90,363.66
  6. Step 6: Final answer
    x = 69,100.47

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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.