Home / 69,615.20-96,066.40-37,783.41

Finding the Fourth Proportional to 69,615.20, 96,066.40 and 37,783.41

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Solution

The fourth proportional to 69,615.20, 96,066.40 and 37,783.41 is: 52,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.20 : 96,066.40 = 37,783.41 : x
  2. Step 2: Convert to fraction form
    69,615.20/96,066.40 = 37,783.41/x
  3. Step 3: Cross multiply
    69,615.20x = 96,066.40 × 37,783.41
  4. Step 4: Simplify right side
    69,615.20x = 3,629,716,154.81
  5. Step 5: Solve for x
    x = 3,629,716,154.81/69,615.20
  6. Step 6: Final answer
    x = 52,139.71

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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.