Home / 125,515.95-173,181.33-71,069.37

Finding the Fourth Proportional to 125,515.95, 173,181.33 and 71,069.37

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Solution

The fourth proportional to 125,515.95, 173,181.33 and 71,069.37 is: 98,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,515.95 : 173,181.33 = 71,069.37 : x
  2. Step 2: Convert to fraction form
    125,515.95/173,181.33 = 71,069.37/x
  3. Step 3: Cross multiply
    125,515.95x = 173,181.33 × 71,069.37
  4. Step 4: Simplify right side
    125,515.95x = 12,307,888,018.86
  5. Step 5: Solve for x
    x = 12,307,888,018.86/125,515.95
  6. Step 6: Final answer
    x = 98,058.36

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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.