Home / 64,606.14-89,157.78-36,312.30

Finding the Fourth Proportional to 64,606.14, 89,157.78 and 36,312.30

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Solution

The fourth proportional to 64,606.14, 89,157.78 and 36,312.30 is: 50,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.14 : 89,157.78 = 36,312.30 : x
  2. Step 2: Convert to fraction form
    64,606.14/89,157.78 = 36,312.30/x
  3. Step 3: Cross multiply
    64,606.14x = 89,157.78 × 36,312.30
  4. Step 4: Simplify right side
    64,606.14x = 3,237,524,054.69
  5. Step 5: Solve for x
    x = 3,237,524,054.69/64,606.14
  6. Step 6: Final answer
    x = 50,111.71

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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.