Home / 74,203.96-102,416.92-68,226.16

Finding the Fourth Proportional to 74,203.96, 102,416.92 and 68,226.16

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Solution

The fourth proportional to 74,203.96, 102,416.92 and 68,226.16 is: 94,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.96 : 102,416.92 = 68,226.16 : x
  2. Step 2: Convert to fraction form
    74,203.96/102,416.92 = 68,226.16/x
  3. Step 3: Cross multiply
    74,203.96x = 102,416.92 × 68,226.16
  4. Step 4: Simplify right side
    74,203.96x = 6,987,513,170.63
  5. Step 5: Solve for x
    x = 6,987,513,170.63/74,203.96
  6. Step 6: Final answer
    x = 94,166.31

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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.