Home / 85,327.63-127,896.06-31,968.27

Finding the Fourth Proportional to 85,327.63, 127,896.06 and 31,968.27

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Solution

The fourth proportional to 85,327.63, 127,896.06 and 31,968.27 is: 47,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.63 : 127,896.06 = 31,968.27 : x
  2. Step 2: Convert to fraction form
    85,327.63/127,896.06 = 31,968.27/x
  3. Step 3: Cross multiply
    85,327.63x = 127,896.06 × 31,968.27
  4. Step 4: Simplify right side
    85,327.63x = 4,088,615,897.90
  5. Step 5: Solve for x
    x = 4,088,615,897.90/85,327.63
  6. Step 6: Final answer
    x = 47,916.67

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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.