Home / 104,775.90-144,594-57,032.46

Finding the Fourth Proportional to 104,775.90, 144,594 and 57,032.46

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Solution

The fourth proportional to 104,775.90, 144,594 and 57,032.46 is: 78,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.90 : 144,594 = 57,032.46 : x
  2. Step 2: Convert to fraction form
    104,775.90/144,594 = 57,032.46/x
  3. Step 3: Cross multiply
    104,775.90x = 144,594 × 57,032.46
  4. Step 4: Simplify right side
    104,775.90x = 8,246,551,521.24
  5. Step 5: Solve for x
    x = 8,246,551,521.24/104,775.90
  6. Step 6: Final answer
    x = 78,706.57

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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.