Home / 125,464.50-173,118.67-71,016.40

Finding the Fourth Proportional to 125,464.50, 173,118.67 and 71,016.40

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Solution

The fourth proportional to 125,464.50, 173,118.67 and 71,016.40 is: 97,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,464.50 : 173,118.67 = 71,016.40 : x
  2. Step 2: Convert to fraction form
    125,464.50/173,118.67 = 71,016.40/x
  3. Step 3: Cross multiply
    125,464.50x = 173,118.67 × 71,016.40
  4. Step 4: Simplify right side
    125,464.50x = 12,294,264,716.19
  5. Step 5: Solve for x
    x = 12,294,264,716.19/125,464.50
  6. Step 6: Final answer
    x = 97,989.99

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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.