Home / 74,107.58-102,327.42-68,440.25

Finding the Fourth Proportional to 74,107.58, 102,327.42 and 68,440.25

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Solution

The fourth proportional to 74,107.58, 102,327.42 and 68,440.25 is: 94,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,107.58 : 102,327.42 = 68,440.25 : x
  2. Step 2: Convert to fraction form
    74,107.58/102,327.42 = 68,440.25/x
  3. Step 3: Cross multiply
    74,107.58x = 102,327.42 × 68,440.25
  4. Step 4: Simplify right side
    74,107.58x = 7,003,313,695.02
  5. Step 5: Solve for x
    x = 7,003,313,695.02/74,107.58
  6. Step 6: Final answer
    x = 94,502.00

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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.