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Finding the Fourth Proportional to 68,013.03, 93,871.85 and 46,562.09

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Solution

The fourth proportional to 68,013.03, 93,871.85 and 46,562.09 is: 64,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.03 : 93,871.85 = 46,562.09 : x
  2. Step 2: Convert to fraction form
    68,013.03/93,871.85 = 46,562.09/x
  3. Step 3: Cross multiply
    68,013.03x = 93,871.85 × 46,562.09
  4. Step 4: Simplify right side
    68,013.03x = 4,370,869,746.89
  5. Step 5: Solve for x
    x = 4,370,869,746.89/68,013.03
  6. Step 6: Final answer
    x = 64,265.19

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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.