Home / 64,520.75-89,038.64-36,226.44

Finding the Fourth Proportional to 64,520.75, 89,038.64 and 36,226.44

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Solution

The fourth proportional to 64,520.75, 89,038.64 and 36,226.44 is: 49,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.75 : 89,038.64 = 36,226.44 : x
  2. Step 2: Convert to fraction form
    64,520.75/89,038.64 = 36,226.44/x
  3. Step 3: Cross multiply
    64,520.75x = 89,038.64 × 36,226.44
  4. Step 4: Simplify right side
    64,520.75x = 3,225,552,949.64
  5. Step 5: Solve for x
    x = 3,225,552,949.64/64,520.75
  6. Step 6: Final answer
    x = 49,992.49

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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.