Home / 71,546.95-98,729.85-39,713.34

Finding the Fourth Proportional to 71,546.95, 98,729.85 and 39,713.34

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Solution

The fourth proportional to 71,546.95, 98,729.85 and 39,713.34 is: 54,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.95 : 98,729.85 = 39,713.34 : x
  2. Step 2: Convert to fraction form
    71,546.95/98,729.85 = 39,713.34/x
  3. Step 3: Cross multiply
    71,546.95x = 98,729.85 × 39,713.34
  4. Step 4: Simplify right side
    71,546.95x = 3,920,892,620.36
  5. Step 5: Solve for x
    x = 3,920,892,620.36/71,546.95
  6. Step 6: Final answer
    x = 54,801.67

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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.