Home / 109,025.35-163,601.48-45,840.90

Finding the Fourth Proportional to 109,025.35, 163,601.48 and 45,840.90

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Solution

The fourth proportional to 109,025.35, 163,601.48 and 45,840.90 is: 68,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,025.35 : 163,601.48 = 45,840.90 : x
  2. Step 2: Convert to fraction form
    109,025.35/163,601.48 = 45,840.90/x
  3. Step 3: Cross multiply
    109,025.35x = 163,601.48 × 45,840.90
  4. Step 4: Simplify right side
    109,025.35x = 7,499,638,327.77
  5. Step 5: Solve for x
    x = 7,499,638,327.77/109,025.35
  6. Step 6: Final answer
    x = 68,788.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.