Home / 70,145.60-96,803.26-38,317.46

Finding the Fourth Proportional to 70,145.60, 96,803.26 and 38,317.46

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Solution

The fourth proportional to 70,145.60, 96,803.26 and 38,317.46 is: 52,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145.60 : 96,803.26 = 38,317.46 : x
  2. Step 2: Convert to fraction form
    70,145.60/96,803.26 = 38,317.46/x
  3. Step 3: Cross multiply
    70,145.60x = 96,803.26 × 38,317.46
  4. Step 4: Simplify right side
    70,145.60x = 3,709,255,042.92
  5. Step 5: Solve for x
    x = 3,709,255,042.92/70,145.60
  6. Step 6: Final answer
    x = 52,879.37

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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.