Home / 70,330.42-97,052.34-38,493.28

Finding the Fourth Proportional to 70,330.42, 97,052.34 and 38,493.28

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Solution

The fourth proportional to 70,330.42, 97,052.34 and 38,493.28 is: 53,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,330.42 : 97,052.34 = 38,493.28 : x
  2. Step 2: Convert to fraction form
    70,330.42/97,052.34 = 38,493.28/x
  3. Step 3: Cross multiply
    70,330.42x = 97,052.34 × 38,493.28
  4. Step 4: Simplify right side
    70,330.42x = 3,735,862,898.28
  5. Step 5: Solve for x
    x = 3,735,862,898.28/70,330.42
  6. Step 6: Final answer
    x = 53,118.73

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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.