Home / 70,114.72-96,757.44-38,283.28

Finding the Fourth Proportional to 70,114.72, 96,757.44 and 38,283.28

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Solution

The fourth proportional to 70,114.72, 96,757.44 and 38,283.28 is: 52,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,114.72 : 96,757.44 = 38,283.28 : x
  2. Step 2: Convert to fraction form
    70,114.72/96,757.44 = 38,283.28/x
  3. Step 3: Cross multiply
    70,114.72x = 96,757.44 × 38,283.28
  4. Step 4: Simplify right side
    70,114.72x = 3,704,192,167.60
  5. Step 5: Solve for x
    x = 3,704,192,167.60/70,114.72
  6. Step 6: Final answer
    x = 52,830.45

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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.