Home / 125,955.73-173,834.80-72,239.60

Finding the Fourth Proportional to 125,955.73, 173,834.80 and 72,239.60

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Solution

The fourth proportional to 125,955.73, 173,834.80 and 72,239.60 is: 99,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,955.73 : 173,834.80 = 72,239.60 : x
  2. Step 2: Convert to fraction form
    125,955.73/173,834.80 = 72,239.60/x
  3. Step 3: Cross multiply
    125,955.73x = 173,834.80 × 72,239.60
  4. Step 4: Simplify right side
    125,955.73x = 12,557,756,418.08
  5. Step 5: Solve for x
    x = 12,557,756,418.08/125,955.73
  6. Step 6: Final answer
    x = 99,699.76

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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.