Home / 70,601.11-97,430.21-38,770.70

Finding the Fourth Proportional to 70,601.11, 97,430.21 and 38,770.70

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Solution

The fourth proportional to 70,601.11, 97,430.21 and 38,770.70 is: 53,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.11 : 97,430.21 = 38,770.70 : x
  2. Step 2: Convert to fraction form
    70,601.11/97,430.21 = 38,770.70/x
  3. Step 3: Cross multiply
    70,601.11x = 97,430.21 × 38,770.70
  4. Step 4: Simplify right side
    70,601.11x = 3,777,437,052.62
  5. Step 5: Solve for x
    x = 3,777,437,052.62/70,601.11
  6. Step 6: Final answer
    x = 53,503.93

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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.