Home / 115,609.21-173,427.69-40,713.86

Finding the Fourth Proportional to 115,609.21, 173,427.69 and 40,713.86

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Solution

The fourth proportional to 115,609.21, 173,427.69 and 40,713.86 is: 61,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.21 : 173,427.69 = 40,713.86 : x
  2. Step 2: Convert to fraction form
    115,609.21/173,427.69 = 40,713.86/x
  3. Step 3: Cross multiply
    115,609.21x = 173,427.69 × 40,713.86
  4. Step 4: Simplify right side
    115,609.21x = 7,060,910,690.78
  5. Step 5: Solve for x
    x = 7,060,910,690.78/115,609.21
  6. Step 6: Final answer
    x = 61,075.68

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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.