Home / 70,036.20-96,658.01-38,994.57

Finding the Fourth Proportional to 70,036.20, 96,658.01 and 38,994.57

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Solution

The fourth proportional to 70,036.20, 96,658.01 and 38,994.57 is: 53,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.20 : 96,658.01 = 38,994.57 : x
  2. Step 2: Convert to fraction form
    70,036.20/96,658.01 = 38,994.57/x
  3. Step 3: Cross multiply
    70,036.20x = 96,658.01 × 38,994.57
  4. Step 4: Simplify right side
    70,036.20x = 3,769,137,537.01
  5. Step 5: Solve for x
    x = 3,769,137,537.01/70,036.20
  6. Step 6: Final answer
    x = 53,816.99

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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.