Home / 80,233.20-110,745.36-56,366.28

Finding the Fourth Proportional to 80,233.20, 110,745.36 and 56,366.28

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Solution

The fourth proportional to 80,233.20, 110,745.36 and 56,366.28 is: 77,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.20 : 110,745.36 = 56,366.28 : x
  2. Step 2: Convert to fraction form
    80,233.20/110,745.36 = 56,366.28/x
  3. Step 3: Cross multiply
    80,233.20x = 110,745.36 × 56,366.28
  4. Step 4: Simplify right side
    80,233.20x = 6,242,303,970.46
  5. Step 5: Solve for x
    x = 6,242,303,970.46/80,233.20
  6. Step 6: Final answer
    x = 77,802.01

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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.