Home / 64,905.36-89,569.15-36,611.04

Finding the Fourth Proportional to 64,905.36, 89,569.15 and 36,611.04

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Solution

The fourth proportional to 64,905.36, 89,569.15 and 36,611.04 is: 50,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.36 : 89,569.15 = 36,611.04 : x
  2. Step 2: Convert to fraction form
    64,905.36/89,569.15 = 36,611.04/x
  3. Step 3: Cross multiply
    64,905.36x = 89,569.15 × 36,611.04
  4. Step 4: Simplify right side
    64,905.36x = 3,279,219,733.42
  5. Step 5: Solve for x
    x = 3,279,219,733.42/64,905.36
  6. Step 6: Final answer
    x = 50,523.10

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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.