Home / 47,639.62-71,466.72-12,582.01

Finding the Fourth Proportional to 47,639.62, 71,466.72 and 12,582.01

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Solution

The fourth proportional to 47,639.62, 71,466.72 and 12,582.01 is: 18,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.62 : 71,466.72 = 12,582.01 : x
  2. Step 2: Convert to fraction form
    47,639.62/71,466.72 = 12,582.01/x
  3. Step 3: Cross multiply
    47,639.62x = 71,466.72 × 12,582.01
  4. Step 4: Simplify right side
    47,639.62x = 899,194,985.71
  5. Step 5: Solve for x
    x = 899,194,985.71/47,639.62
  6. Step 6: Final answer
    x = 18,874.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.