Home / 84,899.41-127,341.78-28,738.32

Finding the Fourth Proportional to 84,899.41, 127,341.78 and 28,738.32

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Solution

The fourth proportional to 84,899.41, 127,341.78 and 28,738.32 is: 43,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.41 : 127,341.78 = 28,738.32 : x
  2. Step 2: Convert to fraction form
    84,899.41/127,341.78 = 28,738.32/x
  3. Step 3: Cross multiply
    84,899.41x = 127,341.78 × 28,738.32
  4. Step 4: Simplify right side
    84,899.41x = 3,659,588,823.01
  5. Step 5: Solve for x
    x = 3,659,588,823.01/84,899.41
  6. Step 6: Final answer
    x = 43,105.00

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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.