Home / 64,679.08-89,249.88-36,384.16

Finding the Fourth Proportional to 64,679.08, 89,249.88 and 36,384.16

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Solution

The fourth proportional to 64,679.08, 89,249.88 and 36,384.16 is: 50,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.08 : 89,249.88 = 36,384.16 : x
  2. Step 2: Convert to fraction form
    64,679.08/89,249.88 = 36,384.16/x
  3. Step 3: Cross multiply
    64,679.08x = 89,249.88 × 36,384.16
  4. Step 4: Simplify right side
    64,679.08x = 3,247,281,913.90
  5. Step 5: Solve for x
    x = 3,247,281,913.90/64,679.08
  6. Step 6: Final answer
    x = 50,206.06

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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.