Home / 84,059.28-126,075.06-34,137.36

Finding the Fourth Proportional to 84,059.28, 126,075.06 and 34,137.36

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Solution

The fourth proportional to 84,059.28, 126,075.06 and 34,137.36 is: 51,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,059.28 : 126,075.06 = 34,137.36 : x
  2. Step 2: Convert to fraction form
    84,059.28/126,075.06 = 34,137.36/x
  3. Step 3: Cross multiply
    84,059.28x = 126,075.06 × 34,137.36
  4. Step 4: Simplify right side
    84,059.28x = 4,303,869,710.24
  5. Step 5: Solve for x
    x = 4,303,869,710.24/84,059.28
  6. Step 6: Final answer
    x = 51,200.41

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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.