Home / 94,141.53-129,916.40-51,121.49

Finding the Fourth Proportional to 94,141.53, 129,916.40 and 51,121.49

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Solution

The fourth proportional to 94,141.53, 129,916.40 and 51,121.49 is: 70,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,141.53 : 129,916.40 = 51,121.49 : x
  2. Step 2: Convert to fraction form
    94,141.53/129,916.40 = 51,121.49/x
  3. Step 3: Cross multiply
    94,141.53x = 129,916.40 × 51,121.49
  4. Step 4: Simplify right side
    94,141.53x = 6,641,519,038.25
  5. Step 5: Solve for x
    x = 6,641,519,038.25/94,141.53
  6. Step 6: Final answer
    x = 70,548.24

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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.