Home / 75,661.05-113,489.15-31,274.67

Finding the Fourth Proportional to 75,661.05, 113,489.15 and 31,274.67

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Solution

The fourth proportional to 75,661.05, 113,489.15 and 31,274.67 is: 46,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,661.05 : 113,489.15 = 31,274.67 : x
  2. Step 2: Convert to fraction form
    75,661.05/113,489.15 = 31,274.67/x
  3. Step 3: Cross multiply
    75,661.05x = 113,489.15 × 31,274.67
  4. Step 4: Simplify right side
    75,661.05x = 3,549,335,558.46
  5. Step 5: Solve for x
    x = 3,549,335,558.46/75,661.05
  6. Step 6: Final answer
    x = 46,911.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.