Home / 64,532.34-89,040.16-36,236.21

Finding the Fourth Proportional to 64,532.34, 89,040.16 and 36,236.21

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Solution

The fourth proportional to 64,532.34, 89,040.16 and 36,236.21 is: 49,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,532.34 : 89,040.16 = 36,236.21 : x
  2. Step 2: Convert to fraction form
    64,532.34/89,040.16 = 36,236.21/x
  3. Step 3: Cross multiply
    64,532.34x = 89,040.16 × 36,236.21
  4. Step 4: Simplify right side
    64,532.34x = 3,226,477,536.29
  5. Step 5: Solve for x
    x = 3,226,477,536.29/64,532.34
  6. Step 6: Final answer
    x = 49,997.84

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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.