Home / 126,075.12-173,984.48-69,486.50

Finding the Fourth Proportional to 126,075.12, 173,984.48 and 69,486.50

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Solution

The fourth proportional to 126,075.12, 173,984.48 and 69,486.50 is: 95,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075.12 : 173,984.48 = 69,486.50 : x
  2. Step 2: Convert to fraction form
    126,075.12/173,984.48 = 69,486.50/x
  3. Step 3: Cross multiply
    126,075.12x = 173,984.48 × 69,486.50
  4. Step 4: Simplify right side
    126,075.12x = 12,089,571,352.17
  5. Step 5: Solve for x
    x = 12,089,571,352.17/126,075.12
  6. Step 6: Final answer
    x = 95,891.81

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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.