Home / 78,916.26-108,877.43-44,916.23

Finding the Fourth Proportional to 78,916.26, 108,877.43 and 44,916.23

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Solution

The fourth proportional to 78,916.26, 108,877.43 and 44,916.23 is: 61,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,916.26 : 108,877.43 = 44,916.23 : x
  2. Step 2: Convert to fraction form
    78,916.26/108,877.43 = 44,916.23/x
  3. Step 3: Cross multiply
    78,916.26x = 108,877.43 × 44,916.23
  4. Step 4: Simplify right side
    78,916.26x = 4,890,363,687.69
  5. Step 5: Solve for x
    x = 4,890,363,687.69/78,916.26
  6. Step 6: Final answer
    x = 61,969.02

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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.