Home / 84,034.45-126,075.10-36,653.77

Finding the Fourth Proportional to 84,034.45, 126,075.10 and 36,653.77

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Solution

The fourth proportional to 84,034.45, 126,075.10 and 36,653.77 is: 54,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034.45 : 126,075.10 = 36,653.77 : x
  2. Step 2: Convert to fraction form
    84,034.45/126,075.10 = 36,653.77/x
  3. Step 3: Cross multiply
    84,034.45x = 126,075.10 × 36,653.77
  4. Step 4: Simplify right side
    84,034.45x = 4,621,127,718.13
  5. Step 5: Solve for x
    x = 4,621,127,718.13/84,034.45
  6. Step 6: Final answer
    x = 54,990.87

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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.