Home / 75,925.28-113,890.92-28,535.60

Finding the Fourth Proportional to 75,925.28, 113,890.92 and 28,535.60

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Solution

The fourth proportional to 75,925.28, 113,890.92 and 28,535.60 is: 42,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,925.28 : 113,890.92 = 28,535.60 : x
  2. Step 2: Convert to fraction form
    75,925.28/113,890.92 = 28,535.60/x
  3. Step 3: Cross multiply
    75,925.28x = 113,890.92 × 28,535.60
  4. Step 4: Simplify right side
    75,925.28x = 3,249,945,736.75
  5. Step 5: Solve for x
    x = 3,249,945,736.75/75,925.28
  6. Step 6: Final answer
    x = 42,804.53

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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.