Home / 125,760.56-173,574.22-72,081.55

Finding the Fourth Proportional to 125,760.56, 173,574.22 and 72,081.55

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Solution

The fourth proportional to 125,760.56, 173,574.22 and 72,081.55 is: 99,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,760.56 : 173,574.22 = 72,081.55 : x
  2. Step 2: Convert to fraction form
    125,760.56/173,574.22 = 72,081.55/x
  3. Step 3: Cross multiply
    125,760.56x = 173,574.22 × 72,081.55
  4. Step 4: Simplify right side
    125,760.56x = 12,511,498,817.64
  5. Step 5: Solve for x
    x = 12,511,498,817.64/125,760.56
  6. Step 6: Final answer
    x = 99,486.67

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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.