Home / 42,217.06-63,333.75-12,632.35

Finding the Fourth Proportional to 42,217.06, 63,333.75 and 12,632.35

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Solution

The fourth proportional to 42,217.06, 63,333.75 and 12,632.35 is: 18,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.06 : 63,333.75 = 12,632.35 : x
  2. Step 2: Convert to fraction form
    42,217.06/63,333.75 = 12,632.35/x
  3. Step 3: Cross multiply
    42,217.06x = 63,333.75 × 12,632.35
  4. Step 4: Simplify right side
    42,217.06x = 800,054,096.81
  5. Step 5: Solve for x
    x = 800,054,096.81/42,217.06
  6. Step 6: Final answer
    x = 18,950.97

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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.