Home / 70,286.64-96,995.14-40,073.20

Finding the Fourth Proportional to 70,286.64, 96,995.14 and 40,073.20

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Solution

The fourth proportional to 70,286.64, 96,995.14 and 40,073.20 is: 55,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,286.64 : 96,995.14 = 40,073.20 : x
  2. Step 2: Convert to fraction form
    70,286.64/96,995.14 = 40,073.20/x
  3. Step 3: Cross multiply
    70,286.64x = 96,995.14 × 40,073.20
  4. Step 4: Simplify right side
    70,286.64x = 3,886,905,644.25
  5. Step 5: Solve for x
    x = 3,886,905,644.25/70,286.64
  6. Step 6: Final answer
    x = 55,300.77

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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.