Home / 70,116.56-96,760.12-38,285.36

Finding the Fourth Proportional to 70,116.56, 96,760.12 and 38,285.36

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Solution

The fourth proportional to 70,116.56, 96,760.12 and 38,285.36 is: 52,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116.56 : 96,760.12 = 38,285.36 : x
  2. Step 2: Convert to fraction form
    70,116.56/96,760.12 = 38,285.36/x
  3. Step 3: Cross multiply
    70,116.56x = 96,760.12 × 38,285.36
  4. Step 4: Simplify right side
    70,116.56x = 3,704,496,027.84
  5. Step 5: Solve for x
    x = 3,704,496,027.84/70,116.56
  6. Step 6: Final answer
    x = 52,833.40

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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.