Home / 109,916.96-151,688.70-62,169.35

Finding the Fourth Proportional to 109,916.96, 151,688.70 and 62,169.35

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Solution

The fourth proportional to 109,916.96, 151,688.70 and 62,169.35 is: 85,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.96 : 151,688.70 = 62,169.35 : x
  2. Step 2: Convert to fraction form
    109,916.96/151,688.70 = 62,169.35/x
  3. Step 3: Cross multiply
    109,916.96x = 151,688.70 × 62,169.35
  4. Step 4: Simplify right side
    109,916.96x = 9,430,387,122.90
  5. Step 5: Solve for x
    x = 9,430,387,122.90/109,916.96
  6. Step 6: Final answer
    x = 85,795.56

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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.