Home / 85,250.76-127,786.96-29,071.18

Finding the Fourth Proportional to 85,250.76, 127,786.96 and 29,071.18

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Solution

The fourth proportional to 85,250.76, 127,786.96 and 29,071.18 is: 43,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,250.76 : 127,786.96 = 29,071.18 : x
  2. Step 2: Convert to fraction form
    85,250.76/127,786.96 = 29,071.18/x
  3. Step 3: Cross multiply
    85,250.76x = 127,786.96 × 29,071.18
  4. Step 4: Simplify right side
    85,250.76x = 3,714,917,715.81
  5. Step 5: Solve for x
    x = 3,714,917,715.81/85,250.76
  6. Step 6: Final answer
    x = 43,576.36

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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.