Home / 76,246.26-105,222.18-42,251.59

Finding the Fourth Proportional to 76,246.26, 105,222.18 and 42,251.59

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Solution

The fourth proportional to 76,246.26, 105,222.18 and 42,251.59 is: 58,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.26 : 105,222.18 = 42,251.59 : x
  2. Step 2: Convert to fraction form
    76,246.26/105,222.18 = 42,251.59/x
  3. Step 3: Cross multiply
    76,246.26x = 105,222.18 × 42,251.59
  4. Step 4: Simplify right side
    76,246.26x = 4,445,804,408.27
  5. Step 5: Solve for x
    x = 4,445,804,408.27/76,246.26
  6. Step 6: Final answer
    x = 58,308.49

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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.