Home / 70,519.05-97,315.72-38,253.58

Finding the Fourth Proportional to 70,519.05, 97,315.72 and 38,253.58

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Solution

The fourth proportional to 70,519.05, 97,315.72 and 38,253.58 is: 52,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,519.05 : 97,315.72 = 38,253.58 : x
  2. Step 2: Convert to fraction form
    70,519.05/97,315.72 = 38,253.58/x
  3. Step 3: Cross multiply
    70,519.05x = 97,315.72 × 38,253.58
  4. Step 4: Simplify right side
    70,519.05x = 3,722,674,341.35
  5. Step 5: Solve for x
    x = 3,722,674,341.35/70,519.05
  6. Step 6: Final answer
    x = 52,789.63

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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.