Home / 70,150.24-96,805.72-38,319.28

Finding the Fourth Proportional to 70,150.24, 96,805.72 and 38,319.28

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Solution

The fourth proportional to 70,150.24, 96,805.72 and 38,319.28 is: 52,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.24 : 96,805.72 = 38,319.28 : x
  2. Step 2: Convert to fraction form
    70,150.24/96,805.72 = 38,319.28/x
  3. Step 3: Cross multiply
    70,150.24x = 96,805.72 × 38,319.28
  4. Step 4: Simplify right side
    70,150.24x = 3,709,525,490.28
  5. Step 5: Solve for x
    x = 3,709,525,490.28/70,150.24
  6. Step 6: Final answer
    x = 52,879.73

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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.