Home / 58,786.16-81,112.28-34,920.88

Finding the Fourth Proportional to 58,786.16, 81,112.28 and 34,920.88

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Solution

The fourth proportional to 58,786.16, 81,112.28 and 34,920.88 is: 48,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.16 : 81,112.28 = 34,920.88 : x
  2. Step 2: Convert to fraction form
    58,786.16/81,112.28 = 34,920.88/x
  3. Step 3: Cross multiply
    58,786.16x = 81,112.28 × 34,920.88
  4. Step 4: Simplify right side
    58,786.16x = 2,832,512,196.41
  5. Step 5: Solve for x
    x = 2,832,512,196.41/58,786.16
  6. Step 6: Final answer
    x = 48,183.32

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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.