Home / 64,976.36-89,666.67-36,683.24

Finding the Fourth Proportional to 64,976.36, 89,666.67 and 36,683.24

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Solution

The fourth proportional to 64,976.36, 89,666.67 and 36,683.24 is: 50,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,976.36 : 89,666.67 = 36,683.24 : x
  2. Step 2: Convert to fraction form
    64,976.36/89,666.67 = 36,683.24/x
  3. Step 3: Cross multiply
    64,976.36x = 89,666.67 × 36,683.24
  4. Step 4: Simplify right side
    64,976.36x = 3,289,263,975.61
  5. Step 5: Solve for x
    x = 3,289,263,975.61/64,976.36
  6. Step 6: Final answer
    x = 50,622.47

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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.