Home / 64,557.05-89,063.75-47,601.42

Finding the Fourth Proportional to 64,557.05, 89,063.75 and 47,601.42

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Solution

The fourth proportional to 64,557.05, 89,063.75 and 47,601.42 is: 65,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.05 : 89,063.75 = 47,601.42 : x
  2. Step 2: Convert to fraction form
    64,557.05/89,063.75 = 47,601.42/x
  3. Step 3: Cross multiply
    64,557.05x = 89,063.75 × 47,601.42
  4. Step 4: Simplify right side
    64,557.05x = 4,239,560,732.52
  5. Step 5: Solve for x
    x = 4,239,560,732.52/64,557.05
  6. Step 6: Final answer
    x = 65,671.54

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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.