Home / 68,056.72-93,887.96-39,749.92

Finding the Fourth Proportional to 68,056.72, 93,887.96 and 39,749.92

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Solution

The fourth proportional to 68,056.72, 93,887.96 and 39,749.92 is: 54,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,056.72 : 93,887.96 = 39,749.92 : x
  2. Step 2: Convert to fraction form
    68,056.72/93,887.96 = 39,749.92/x
  3. Step 3: Cross multiply
    68,056.72x = 93,887.96 × 39,749.92
  4. Step 4: Simplify right side
    68,056.72x = 3,732,038,898.96
  5. Step 5: Solve for x
    x = 3,732,038,898.96/68,056.72
  6. Step 6: Final answer
    x = 54,837.18

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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.