Home / 125,938.84-173,743.44-74,941.36

Finding the Fourth Proportional to 125,938.84, 173,743.44 and 74,941.36

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Solution

The fourth proportional to 125,938.84, 173,743.44 and 74,941.36 is: 103,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.84 : 173,743.44 = 74,941.36 : x
  2. Step 2: Convert to fraction form
    125,938.84/173,743.44 = 74,941.36/x
  3. Step 3: Cross multiply
    125,938.84x = 173,743.44 × 74,941.36
  4. Step 4: Simplify right side
    125,938.84x = 13,020,569,684.68
  5. Step 5: Solve for x
    x = 13,020,569,684.68/125,938.84
  6. Step 6: Final answer
    x = 103,388.04

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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.