Home / 75,410.33-113,130.08-28,659.56

Finding the Fourth Proportional to 75,410.33, 113,130.08 and 28,659.56

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Solution

The fourth proportional to 75,410.33, 113,130.08 and 28,659.56 is: 42,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.33 : 113,130.08 = 28,659.56 : x
  2. Step 2: Convert to fraction form
    75,410.33/113,130.08 = 28,659.56/x
  3. Step 3: Cross multiply
    75,410.33x = 113,130.08 × 28,659.56
  4. Step 4: Simplify right side
    75,410.33x = 3,242,258,598.39
  5. Step 5: Solve for x
    x = 3,242,258,598.39/75,410.33
  6. Step 6: Final answer
    x = 42,994.89

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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.