Home / 70,153.05-96,807.58-38,315.80

Finding the Fourth Proportional to 70,153.05, 96,807.58 and 38,315.80

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Solution

The fourth proportional to 70,153.05, 96,807.58 and 38,315.80 is: 52,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.05 : 96,807.58 = 38,315.80 : x
  2. Step 2: Convert to fraction form
    70,153.05/96,807.58 = 38,315.80/x
  3. Step 3: Cross multiply
    70,153.05x = 96,807.58 × 38,315.80
  4. Step 4: Simplify right side
    70,153.05x = 3,709,259,198.15
  5. Step 5: Solve for x
    x = 3,709,259,198.15/70,153.05
  6. Step 6: Final answer
    x = 52,873.81

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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.