Home / 125,403.58-173,061.93-68,816.98

Finding the Fourth Proportional to 125,403.58, 173,061.93 and 68,816.98

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Solution

The fourth proportional to 125,403.58, 173,061.93 and 68,816.98 is: 94,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,403.58 : 173,061.93 = 68,816.98 : x
  2. Step 2: Convert to fraction form
    125,403.58/173,061.93 = 68,816.98/x
  3. Step 3: Cross multiply
    125,403.58x = 173,061.93 × 68,816.98
  4. Step 4: Simplify right side
    125,403.58x = 11,909,599,375.57
  5. Step 5: Solve for x
    x = 11,909,599,375.57/125,403.58
  6. Step 6: Final answer
    x = 94,970.17

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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.