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Finding the Fourth Proportional to 61,424.51, 84,732.68 and 41,041.67

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Solution

The fourth proportional to 61,424.51, 84,732.68 and 41,041.67 is: 56,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,424.51 : 84,732.68 = 41,041.67 : x
  2. Step 2: Convert to fraction form
    61,424.51/84,732.68 = 41,041.67/x
  3. Step 3: Cross multiply
    61,424.51x = 84,732.68 × 41,041.67
  4. Step 4: Simplify right side
    61,424.51x = 3,477,570,369.72
  5. Step 5: Solve for x
    x = 3,477,570,369.72/61,424.51
  6. Step 6: Final answer
    x = 56,615.36

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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.