Home / 85,472.19-117,955.76-51,491.34

Finding the Fourth Proportional to 85,472.19, 117,955.76 and 51,491.34

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Solution

The fourth proportional to 85,472.19, 117,955.76 and 51,491.34 is: 71,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,472.19 : 117,955.76 = 51,491.34 : x
  2. Step 2: Convert to fraction form
    85,472.19/117,955.76 = 51,491.34/x
  3. Step 3: Cross multiply
    85,472.19x = 117,955.76 × 51,491.34
  4. Step 4: Simplify right side
    85,472.19x = 6,073,699,885.66
  5. Step 5: Solve for x
    x = 6,073,699,885.66/85,472.19
  6. Step 6: Final answer
    x = 71,060.54

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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.