Home / 125,422.11-173,081.07-70,973.64

Finding the Fourth Proportional to 125,422.11, 173,081.07 and 70,973.64

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Solution

The fourth proportional to 125,422.11, 173,081.07 and 70,973.64 is: 97,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,422.11 : 173,081.07 = 70,973.64 : x
  2. Step 2: Convert to fraction form
    125,422.11/173,081.07 = 70,973.64/x
  3. Step 3: Cross multiply
    125,422.11x = 173,081.07 × 70,973.64
  4. Step 4: Simplify right side
    125,422.11x = 12,284,193,552.99
  5. Step 5: Solve for x
    x = 12,284,193,552.99/125,422.11
  6. Step 6: Final answer
    x = 97,942.81

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1.5x scale

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.