Home / 64,860.10-89,496.64-36,560.32

Finding the Fourth Proportional to 64,860.10, 89,496.64 and 36,560.32

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Solution

The fourth proportional to 64,860.10, 89,496.64 and 36,560.32 is: 50,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.10 : 89,496.64 = 36,560.32 : x
  2. Step 2: Convert to fraction form
    64,860.10/89,496.64 = 36,560.32/x
  3. Step 3: Cross multiply
    64,860.10x = 89,496.64 × 36,560.32
  4. Step 4: Simplify right side
    64,860.10x = 3,272,025,797.32
  5. Step 5: Solve for x
    x = 3,272,025,797.32/64,860.10
  6. Step 6: Final answer
    x = 50,447.44

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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.