Home / 70,742.76-97,623.42-38,910.96

Finding the Fourth Proportional to 70,742.76, 97,623.42 and 38,910.96

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Solution

The fourth proportional to 70,742.76, 97,623.42 and 38,910.96 is: 53,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.76 : 97,623.42 = 38,910.96 : x
  2. Step 2: Convert to fraction form
    70,742.76/97,623.42 = 38,910.96/x
  3. Step 3: Cross multiply
    70,742.76x = 97,623.42 × 38,910.96
  4. Step 4: Simplify right side
    70,742.76x = 3,798,620,990.68
  5. Step 5: Solve for x
    x = 3,798,620,990.68/70,742.76
  6. Step 6: Final answer
    x = 53,696.25

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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.