Home / 124,427.82-171,714.15-67,840.14

Finding the Fourth Proportional to 124,427.82, 171,714.15 and 67,840.14

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Solution

The fourth proportional to 124,427.82, 171,714.15 and 67,840.14 is: 93,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.82 : 171,714.15 = 67,840.14 : x
  2. Step 2: Convert to fraction form
    124,427.82/171,714.15 = 67,840.14/x
  3. Step 3: Cross multiply
    124,427.82x = 171,714.15 × 67,840.14
  4. Step 4: Simplify right side
    124,427.82x = 11,649,111,975.98
  5. Step 5: Solve for x
    x = 11,649,111,975.98/124,427.82
  6. Step 6: Final answer
    x = 93,621.44

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1.5x scale

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.