Home / 64,814.63-89,444.21-36,521.33

Finding the Fourth Proportional to 64,814.63, 89,444.21 and 36,521.33

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Solution

The fourth proportional to 64,814.63, 89,444.21 and 36,521.33 is: 50,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.63 : 89,444.21 = 36,521.33 : x
  2. Step 2: Convert to fraction form
    64,814.63/89,444.21 = 36,521.33/x
  3. Step 3: Cross multiply
    64,814.63x = 89,444.21 × 36,521.33
  4. Step 4: Simplify right side
    64,814.63x = 3,266,620,880.17
  5. Step 5: Solve for x
    x = 3,266,620,880.17/64,814.63
  6. Step 6: Final answer
    x = 50,399.44

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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.