Home / 75,923.28-113,887.92-28,533.60

Finding the Fourth Proportional to 75,923.28, 113,887.92 and 28,533.60

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Solution

The fourth proportional to 75,923.28, 113,887.92 and 28,533.60 is: 42,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,923.28 : 113,887.92 = 28,533.60 : x
  2. Step 2: Convert to fraction form
    75,923.28/113,887.92 = 28,533.60/x
  3. Step 3: Cross multiply
    75,923.28x = 113,887.92 × 28,533.60
  4. Step 4: Simplify right side
    75,923.28x = 3,249,632,354.11
  5. Step 5: Solve for x
    x = 3,249,632,354.11/75,923.28
  6. Step 6: Final answer
    x = 42,801.53

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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.