Home / 75,660.30-113,383.53-31,259.34

Finding the Fourth Proportional to 75,660.30, 113,383.53 and 31,259.34

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Solution

The fourth proportional to 75,660.30, 113,383.53 and 31,259.34 is: 46,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.30 : 113,383.53 = 31,259.34 : x
  2. Step 2: Convert to fraction form
    75,660.30/113,383.53 = 31,259.34/x
  3. Step 3: Cross multiply
    75,660.30x = 113,383.53 × 31,259.34
  4. Step 4: Simplify right side
    75,660.30x = 3,544,294,314.67
  5. Step 5: Solve for x
    x = 3,544,294,314.67/75,660.30
  6. Step 6: Final answer
    x = 46,844.84

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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.