Home / 125,821.95-173,629.08-68,461.50

Finding the Fourth Proportional to 125,821.95, 173,629.08 and 68,461.50

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Solution

The fourth proportional to 125,821.95, 173,629.08 and 68,461.50 is: 94,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821.95 : 173,629.08 = 68,461.50 : x
  2. Step 2: Convert to fraction form
    125,821.95/173,629.08 = 68,461.50/x
  3. Step 3: Cross multiply
    125,821.95x = 173,629.08 × 68,461.50
  4. Step 4: Simplify right side
    125,821.95x = 11,886,907,911.53
  5. Step 5: Solve for x
    x = 11,886,907,911.53/125,821.95
  6. Step 6: Final answer
    x = 94,474.04

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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.