Home / 89,222.90-133,846.72-30,075.48

Finding the Fourth Proportional to 89,222.90, 133,846.72 and 30,075.48

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Solution

The fourth proportional to 89,222.90, 133,846.72 and 30,075.48 is: 45,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,222.90 : 133,846.72 = 30,075.48 : x
  2. Step 2: Convert to fraction form
    89,222.90/133,846.72 = 30,075.48/x
  3. Step 3: Cross multiply
    89,222.90x = 133,846.72 × 30,075.48
  4. Step 4: Simplify right side
    89,222.90x = 4,025,504,275.24
  5. Step 5: Solve for x
    x = 4,025,504,275.24/89,222.90
  6. Step 6: Final answer
    x = 45,117.39

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1.5x scale

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.