Home / 70,965.63-97,928.09-40,729.67

Finding the Fourth Proportional to 70,965.63, 97,928.09 and 40,729.67

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Solution

The fourth proportional to 70,965.63, 97,928.09 and 40,729.67 is: 56,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,965.63 : 97,928.09 = 40,729.67 : x
  2. Step 2: Convert to fraction form
    70,965.63/97,928.09 = 40,729.67/x
  3. Step 3: Cross multiply
    70,965.63x = 97,928.09 × 40,729.67
  4. Step 4: Simplify right side
    70,965.63x = 3,988,578,789.43
  5. Step 5: Solve for x
    x = 3,988,578,789.43/70,965.63
  6. Step 6: Final answer
    x = 56,204.37

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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.