Home / 61,701.08-85,148.01-36,207.81

Finding the Fourth Proportional to 61,701.08, 85,148.01 and 36,207.81

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Solution

The fourth proportional to 61,701.08, 85,148.01 and 36,207.81 is: 49,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.08 : 85,148.01 = 36,207.81 : x
  2. Step 2: Convert to fraction form
    61,701.08/85,148.01 = 36,207.81/x
  3. Step 3: Cross multiply
    61,701.08x = 85,148.01 × 36,207.81
  4. Step 4: Simplify right side
    61,701.08x = 3,083,022,967.96
  5. Step 5: Solve for x
    x = 3,083,022,967.96/61,701.08
  6. Step 6: Final answer
    x = 49,967.09

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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.