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Finding the Fourth Proportional to 61,898, 85,430.04 and 36,746.96

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Solution

The fourth proportional to 61,898, 85,430.04 and 36,746.96 is: 50,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898 : 85,430.04 = 36,746.96 : x
  2. Step 2: Convert to fraction form
    61,898/85,430.04 = 36,746.96/x
  3. Step 3: Cross multiply
    61,898x = 85,430.04 × 36,746.96
  4. Step 4: Simplify right side
    61,898x = 3,139,294,262.68
  5. Step 5: Solve for x
    x = 3,139,294,262.68/61,898
  6. Step 6: Final answer
    x = 50,717.22

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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.