Home / 125,941.90-173,755.86-71,487.58

Finding the Fourth Proportional to 125,941.90, 173,755.86 and 71,487.58

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Solution

The fourth proportional to 125,941.90, 173,755.86 and 71,487.58 is: 98,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,941.90 : 173,755.86 = 71,487.58 : x
  2. Step 2: Convert to fraction form
    125,941.90/173,755.86 = 71,487.58/x
  3. Step 3: Cross multiply
    125,941.90x = 173,755.86 × 71,487.58
  4. Step 4: Simplify right side
    125,941.90x = 12,421,385,942.22
  5. Step 5: Solve for x
    x = 12,421,385,942.22/125,941.90
  6. Step 6: Final answer
    x = 98,627.91

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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.