Home / 70,179.20-96,846.14-38,347.42

Finding the Fourth Proportional to 70,179.20, 96,846.14 and 38,347.42

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Solution

The fourth proportional to 70,179.20, 96,846.14 and 38,347.42 is: 52,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,179.20 : 96,846.14 = 38,347.42 : x
  2. Step 2: Convert to fraction form
    70,179.20/96,846.14 = 38,347.42/x
  3. Step 3: Cross multiply
    70,179.20x = 96,846.14 × 38,347.42
  4. Step 4: Simplify right side
    70,179.20x = 3,713,798,929.99
  5. Step 5: Solve for x
    x = 3,713,798,929.99/70,179.20
  6. Step 6: Final answer
    x = 52,918.80

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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.