Home / 85,222.31-117,615.11-63,674.67

Finding the Fourth Proportional to 85,222.31, 117,615.11 and 63,674.67

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Solution

The fourth proportional to 85,222.31, 117,615.11 and 63,674.67 is: 87,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,222.31 : 117,615.11 = 63,674.67 : x
  2. Step 2: Convert to fraction form
    85,222.31/117,615.11 = 63,674.67/x
  3. Step 3: Cross multiply
    85,222.31x = 117,615.11 × 63,674.67
  4. Step 4: Simplify right side
    85,222.31x = 7,489,102,446.57
  5. Step 5: Solve for x
    x = 7,489,102,446.57/85,222.31
  6. Step 6: Final answer
    x = 87,877.25

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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.