Home / 104,788.68-144,611.64-57,045.24

Finding the Fourth Proportional to 104,788.68, 144,611.64 and 57,045.24

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Solution

The fourth proportional to 104,788.68, 144,611.64 and 57,045.24 is: 78,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,788.68 : 144,611.64 = 57,045.24 : x
  2. Step 2: Convert to fraction form
    104,788.68/144,611.64 = 57,045.24/x
  3. Step 3: Cross multiply
    104,788.68x = 144,611.64 × 57,045.24
  4. Step 4: Simplify right side
    104,788.68x = 8,249,405,710.59
  5. Step 5: Solve for x
    x = 8,249,405,710.59/104,788.68
  6. Step 6: Final answer
    x = 78,724.21

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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.