Home / 125,435.41-173,098.40-70,986.57

Finding the Fourth Proportional to 125,435.41, 173,098.40 and 70,986.57

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Solution

The fourth proportional to 125,435.41, 173,098.40 and 70,986.57 is: 97,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435.41 : 173,098.40 = 70,986.57 : x
  2. Step 2: Convert to fraction form
    125,435.41/173,098.40 = 70,986.57/x
  3. Step 3: Cross multiply
    125,435.41x = 173,098.40 × 70,986.57
  4. Step 4: Simplify right side
    125,435.41x = 12,287,660,684.44
  5. Step 5: Solve for x
    x = 12,287,660,684.44/125,435.41
  6. Step 6: Final answer
    x = 97,960.07

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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.