Home / 45,712.77-62,943.37-40,015.63

Finding the Fourth Proportional to 45,712.77, 62,943.37 and 40,015.63

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Solution

The fourth proportional to 45,712.77, 62,943.37 and 40,015.63 is: 55,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.77 : 62,943.37 = 40,015.63 : x
  2. Step 2: Convert to fraction form
    45,712.77/62,943.37 = 40,015.63/x
  3. Step 3: Cross multiply
    45,712.77x = 62,943.37 × 40,015.63
  4. Step 4: Simplify right side
    45,712.77x = 2,518,718,604.87
  5. Step 5: Solve for x
    x = 2,518,718,604.87/45,712.77
  6. Step 6: Final answer
    x = 55,098.80

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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.