Home / 70,937.10-97,897.82-40,732.20

Finding the Fourth Proportional to 70,937.10, 97,897.82 and 40,732.20

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Solution

The fourth proportional to 70,937.10, 97,897.82 and 40,732.20 is: 56,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.10 : 97,897.82 = 40,732.20 : x
  2. Step 2: Convert to fraction form
    70,937.10/97,897.82 = 40,732.20/x
  3. Step 3: Cross multiply
    70,937.10x = 97,897.82 × 40,732.20
  4. Step 4: Simplify right side
    70,937.10x = 3,987,593,380.14
  5. Step 5: Solve for x
    x = 3,987,593,380.14/70,937.10
  6. Step 6: Final answer
    x = 56,213.09

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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.