Home / 124,075.80-171,223.65-67,487.22

Finding the Fourth Proportional to 124,075.80, 171,223.65 and 67,487.22

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Solution

The fourth proportional to 124,075.80, 171,223.65 and 67,487.22 is: 93,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,075.80 : 171,223.65 = 67,487.22 : x
  2. Step 2: Convert to fraction form
    124,075.80/171,223.65 = 67,487.22/x
  3. Step 3: Cross multiply
    124,075.80x = 171,223.65 × 67,487.22
  4. Step 4: Simplify right side
    124,075.80x = 11,555,408,136.75
  5. Step 5: Solve for x
    x = 11,555,408,136.75/124,075.80
  6. Step 6: Final answer
    x = 93,131.84

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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.