Home / 126,031.50-189,077.67-36,075.60

Finding the Fourth Proportional to 126,031.50, 189,077.67 and 36,075.60

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Solution

The fourth proportional to 126,031.50, 189,077.67 and 36,075.60 is: 54,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,031.50 : 189,077.67 = 36,075.60 : x
  2. Step 2: Convert to fraction form
    126,031.50/189,077.67 = 36,075.60/x
  3. Step 3: Cross multiply
    126,031.50x = 189,077.67 × 36,075.60
  4. Step 4: Simplify right side
    126,031.50x = 6,821,090,391.85
  5. Step 5: Solve for x
    x = 6,821,090,391.85/126,031.50
  6. Step 6: Final answer
    x = 54,122.11

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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.