Home / 70,246.20-96,939.72-38,415.10

Finding the Fourth Proportional to 70,246.20, 96,939.72 and 38,415.10

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Solution

The fourth proportional to 70,246.20, 96,939.72 and 38,415.10 is: 53,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.20 : 96,939.72 = 38,415.10 : x
  2. Step 2: Convert to fraction form
    70,246.20/96,939.72 = 38,415.10/x
  3. Step 3: Cross multiply
    70,246.20x = 96,939.72 × 38,415.10
  4. Step 4: Simplify right side
    70,246.20x = 3,723,949,037.77
  5. Step 5: Solve for x
    x = 3,723,949,037.77/70,246.20
  6. Step 6: Final answer
    x = 53,012.82

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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.