Home / 70,601.36-97,430.56-38,770.94

Finding the Fourth Proportional to 70,601.36, 97,430.56 and 38,770.94

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Solution

The fourth proportional to 70,601.36, 97,430.56 and 38,770.94 is: 53,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.36 : 97,430.56 = 38,770.94 : x
  2. Step 2: Convert to fraction form
    70,601.36/97,430.56 = 38,770.94/x
  3. Step 3: Cross multiply
    70,601.36x = 97,430.56 × 38,770.94
  4. Step 4: Simplify right side
    70,601.36x = 3,777,474,395.93
  5. Step 5: Solve for x
    x = 3,777,474,395.93/70,601.36
  6. Step 6: Final answer
    x = 53,504.27

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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.