Home / 87,749.34-131,595.26-28,570.74

Finding the Fourth Proportional to 87,749.34, 131,595.26 and 28,570.74

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Solution

The fourth proportional to 87,749.34, 131,595.26 and 28,570.74 is: 42,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.34 : 131,595.26 = 28,570.74 : x
  2. Step 2: Convert to fraction form
    87,749.34/131,595.26 = 28,570.74/x
  3. Step 3: Cross multiply
    87,749.34x = 131,595.26 × 28,570.74
  4. Step 4: Simplify right side
    87,749.34x = 3,759,773,815.84
  5. Step 5: Solve for x
    x = 3,759,773,815.84/87,749.34
  6. Step 6: Final answer
    x = 42,846.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.