Home / 70,431.86-97,195.40-38,600.68

Finding the Fourth Proportional to 70,431.86, 97,195.40 and 38,600.68

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Solution

The fourth proportional to 70,431.86, 97,195.40 and 38,600.68 is: 53,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.86 : 97,195.40 = 38,600.68 : x
  2. Step 2: Convert to fraction form
    70,431.86/97,195.40 = 38,600.68/x
  3. Step 3: Cross multiply
    70,431.86x = 97,195.40 × 38,600.68
  4. Step 4: Simplify right side
    70,431.86x = 3,751,808,532.87
  5. Step 5: Solve for x
    x = 3,751,808,532.87/70,431.86
  6. Step 6: Final answer
    x = 53,268.63

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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.