Home / 64,738.12-89,337.23-36,057.69

Finding the Fourth Proportional to 64,738.12, 89,337.23 and 36,057.69

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Solution

The fourth proportional to 64,738.12, 89,337.23 and 36,057.69 is: 49,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,738.12 : 89,337.23 = 36,057.69 : x
  2. Step 2: Convert to fraction form
    64,738.12/89,337.23 = 36,057.69/x
  3. Step 3: Cross multiply
    64,738.12x = 89,337.23 × 36,057.69
  4. Step 4: Simplify right side
    64,738.12x = 3,221,293,964.51
  5. Step 5: Solve for x
    x = 3,221,293,964.51/64,738.12
  6. Step 6: Final answer
    x = 49,758.85

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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.