Home / 77,157.72-115,754.94-24,567.12

Finding the Fourth Proportional to 77,157.72, 115,754.94 and 24,567.12

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Solution

The fourth proportional to 77,157.72, 115,754.94 and 24,567.12 is: 36,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157.72 : 115,754.94 = 24,567.12 : x
  2. Step 2: Convert to fraction form
    77,157.72/115,754.94 = 24,567.12/x
  3. Step 3: Cross multiply
    77,157.72x = 115,754.94 × 24,567.12
  4. Step 4: Simplify right side
    77,157.72x = 2,843,765,501.57
  5. Step 5: Solve for x
    x = 2,843,765,501.57/77,157.72
  6. Step 6: Final answer
    x = 36,856.53

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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.