Home / 103,053.24-142,181.19-57,725.10

Finding the Fourth Proportional to 103,053.24, 142,181.19 and 57,725.10

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Solution

The fourth proportional to 103,053.24, 142,181.19 and 57,725.10 is: 79,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,053.24 : 142,181.19 = 57,725.10 : x
  2. Step 2: Convert to fraction form
    103,053.24/142,181.19 = 57,725.10/x
  3. Step 3: Cross multiply
    103,053.24x = 142,181.19 × 57,725.10
  4. Step 4: Simplify right side
    103,053.24x = 8,207,423,410.87
  5. Step 5: Solve for x
    x = 8,207,423,410.87/103,053.24
  6. Step 6: Final answer
    x = 79,642.56

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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.