Home / 122,075.96-168,456.65-67,624.44

Finding the Fourth Proportional to 122,075.96, 168,456.65 and 67,624.44

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Solution

The fourth proportional to 122,075.96, 168,456.65 and 67,624.44 is: 93,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,075.96 : 168,456.65 = 67,624.44 : x
  2. Step 2: Convert to fraction form
    122,075.96/168,456.65 = 67,624.44/x
  3. Step 3: Cross multiply
    122,075.96x = 168,456.65 × 67,624.44
  4. Step 4: Simplify right side
    122,075.96x = 11,391,786,031.08
  5. Step 5: Solve for x
    x = 11,391,786,031.08/122,075.96
  6. Step 6: Final answer
    x = 93,317.20

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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.