Home / 64,874.05-89,533.15-38,039.15

Finding the Fourth Proportional to 64,874.05, 89,533.15 and 38,039.15

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Solution

The fourth proportional to 64,874.05, 89,533.15 and 38,039.15 is: 52,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.05 : 89,533.15 = 38,039.15 : x
  2. Step 2: Convert to fraction form
    64,874.05/89,533.15 = 38,039.15/x
  3. Step 3: Cross multiply
    64,874.05x = 89,533.15 × 38,039.15
  4. Step 4: Simplify right side
    64,874.05x = 3,405,765,051.56
  5. Step 5: Solve for x
    x = 3,405,765,051.56/64,874.05
  6. Step 6: Final answer
    x = 52,498.11

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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.