Home / 70,372.56-97,110.52-38,535.30

Finding the Fourth Proportional to 70,372.56, 97,110.52 and 38,535.30

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Solution

The fourth proportional to 70,372.56, 97,110.52 and 38,535.30 is: 53,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.56 : 97,110.52 = 38,535.30 : x
  2. Step 2: Convert to fraction form
    70,372.56/97,110.52 = 38,535.30/x
  3. Step 3: Cross multiply
    70,372.56x = 97,110.52 × 38,535.30
  4. Step 4: Simplify right side
    70,372.56x = 3,742,183,021.36
  5. Step 5: Solve for x
    x = 3,742,183,021.36/70,372.56
  6. Step 6: Final answer
    x = 53,176.74

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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.