Home / 104,075.20-143,623.02-56,327.44

Finding the Fourth Proportional to 104,075.20, 143,623.02 and 56,327.44

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Solution

The fourth proportional to 104,075.20, 143,623.02 and 56,327.44 is: 77,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.20 : 143,623.02 = 56,327.44 : x
  2. Step 2: Convert to fraction form
    104,075.20/143,623.02 = 56,327.44/x
  3. Step 3: Cross multiply
    104,075.20x = 143,623.02 × 56,327.44
  4. Step 4: Simplify right side
    104,075.20x = 8,089,917,041.67
  5. Step 5: Solve for x
    x = 8,089,917,041.67/104,075.20
  6. Step 6: Final answer
    x = 77,731.46

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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.