Home / 75,931.52-113,897.01-20,527.52

Finding the Fourth Proportional to 75,931.52, 113,897.01 and 20,527.52

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Solution

The fourth proportional to 75,931.52, 113,897.01 and 20,527.52 is: 30,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,931.52 : 113,897.01 = 20,527.52 : x
  2. Step 2: Convert to fraction form
    75,931.52/113,897.01 = 20,527.52/x
  3. Step 3: Cross multiply
    75,931.52x = 113,897.01 × 20,527.52
  4. Step 4: Simplify right side
    75,931.52x = 2,338,023,150.72
  5. Step 5: Solve for x
    x = 2,338,023,150.72/75,931.52
  6. Step 6: Final answer
    x = 30,791.21

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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.