Home / 70,712.10-97,586.91-38,883.42

Finding the Fourth Proportional to 70,712.10, 97,586.91 and 38,883.42

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Solution

The fourth proportional to 70,712.10, 97,586.91 and 38,883.42 is: 53,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,712.10 : 97,586.91 = 38,883.42 : x
  2. Step 2: Convert to fraction form
    70,712.10/97,586.91 = 38,883.42/x
  3. Step 3: Cross multiply
    70,712.10x = 97,586.91 × 38,883.42
  4. Step 4: Simplify right side
    70,712.10x = 3,794,512,808.03
  5. Step 5: Solve for x
    x = 3,794,512,808.03/70,712.10
  6. Step 6: Final answer
    x = 53,661.44

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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.