Home / 77,003.84-115,520.16-24,399.20

Finding the Fourth Proportional to 77,003.84, 115,520.16 and 24,399.20

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Solution

The fourth proportional to 77,003.84, 115,520.16 and 24,399.20 is: 36,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003.84 : 115,520.16 = 24,399.20 : x
  2. Step 2: Convert to fraction form
    77,003.84/115,520.16 = 24,399.20/x
  3. Step 3: Cross multiply
    77,003.84x = 115,520.16 × 24,399.20
  4. Step 4: Simplify right side
    77,003.84x = 2,818,599,487.87
  5. Step 5: Solve for x
    x = 2,818,599,487.87/77,003.84
  6. Step 6: Final answer
    x = 36,603.36

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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.