Home / 125,619.84-173,335.68-71,892.48

Finding the Fourth Proportional to 125,619.84, 173,335.68 and 71,892.48

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Solution

The fourth proportional to 125,619.84, 173,335.68 and 71,892.48 is: 99,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.84 : 173,335.68 = 71,892.48 : x
  2. Step 2: Convert to fraction form
    125,619.84/173,335.68 = 71,892.48/x
  3. Step 3: Cross multiply
    125,619.84x = 173,335.68 × 71,892.48
  4. Step 4: Simplify right side
    125,619.84x = 12,461,531,907.69
  5. Step 5: Solve for x
    x = 12,461,531,907.69/125,619.84
  6. Step 6: Final answer
    x = 99,200.35

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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.