Home / 75,913.28-104,760.48-42,380.48

Finding the Fourth Proportional to 75,913.28, 104,760.48 and 42,380.48

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Solution

The fourth proportional to 75,913.28, 104,760.48 and 42,380.48 is: 58,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.28 : 104,760.48 = 42,380.48 : x
  2. Step 2: Convert to fraction form
    75,913.28/104,760.48 = 42,380.48/x
  3. Step 3: Cross multiply
    75,913.28x = 104,760.48 × 42,380.48
  4. Step 4: Simplify right side
    75,913.28x = 4,439,799,427.43
  5. Step 5: Solve for x
    x = 4,439,799,427.43/75,913.28
  6. Step 6: Final answer
    x = 58,485.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.