Home / 69,916.80-96,487.56-39,701.10

Finding the Fourth Proportional to 69,916.80, 96,487.56 and 39,701.10

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Solution

The fourth proportional to 69,916.80, 96,487.56 and 39,701.10 is: 54,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,916.80 : 96,487.56 = 39,701.10 : x
  2. Step 2: Convert to fraction form
    69,916.80/96,487.56 = 39,701.10/x
  3. Step 3: Cross multiply
    69,916.80x = 96,487.56 × 39,701.10
  4. Step 4: Simplify right side
    69,916.80x = 3,830,662,268.32
  5. Step 5: Solve for x
    x = 3,830,662,268.32/69,916.80
  6. Step 6: Final answer
    x = 54,788.87

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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.