Home / 80,712.63-111,382.89-44,416.28

Finding the Fourth Proportional to 80,712.63, 111,382.89 and 44,416.28

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Solution

The fourth proportional to 80,712.63, 111,382.89 and 44,416.28 is: 61,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712.63 : 111,382.89 = 44,416.28 : x
  2. Step 2: Convert to fraction form
    80,712.63/111,382.89 = 44,416.28/x
  3. Step 3: Cross multiply
    80,712.63x = 111,382.89 × 44,416.28
  4. Step 4: Simplify right side
    80,712.63x = 4,947,213,629.45
  5. Step 5: Solve for x
    x = 4,947,213,629.45/80,712.63
  6. Step 6: Final answer
    x = 61,294.17

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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.