Home / 70,164.43-96,825.78-38,332.64

Finding the Fourth Proportional to 70,164.43, 96,825.78 and 38,332.64

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Solution

The fourth proportional to 70,164.43, 96,825.78 and 38,332.64 is: 52,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,164.43 : 96,825.78 = 38,332.64 : x
  2. Step 2: Convert to fraction form
    70,164.43/96,825.78 = 38,332.64/x
  3. Step 3: Cross multiply
    70,164.43x = 96,825.78 × 38,332.64
  4. Step 4: Simplify right side
    70,164.43x = 3,711,588,009.52
  5. Step 5: Solve for x
    x = 3,711,588,009.52/70,164.43
  6. Step 6: Final answer
    x = 52,898.43

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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.