Home / 106,975.15-147,625.19-57,916.80

Finding the Fourth Proportional to 106,975.15, 147,625.19 and 57,916.80

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Solution

The fourth proportional to 106,975.15, 147,625.19 and 57,916.80 is: 79,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.15 : 147,625.19 = 57,916.80 : x
  2. Step 2: Convert to fraction form
    106,975.15/147,625.19 = 57,916.80/x
  3. Step 3: Cross multiply
    106,975.15x = 147,625.19 × 57,916.80
  4. Step 4: Simplify right side
    106,975.15x = 8,549,977,576.48
  5. Step 5: Solve for x
    x = 8,549,977,576.48/106,975.15
  6. Step 6: Final answer
    x = 79,924.90

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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.