Home / 70,007.36-96,608.70-38,176.61

Finding the Fourth Proportional to 70,007.36, 96,608.70 and 38,176.61

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Solution

The fourth proportional to 70,007.36, 96,608.70 and 38,176.61 is: 52,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.36 : 96,608.70 = 38,176.61 : x
  2. Step 2: Convert to fraction form
    70,007.36/96,608.70 = 38,176.61/x
  3. Step 3: Cross multiply
    70,007.36x = 96,608.70 × 38,176.61
  4. Step 4: Simplify right side
    70,007.36x = 3,688,192,179.46
  5. Step 5: Solve for x
    x = 3,688,192,179.46/70,007.36
  6. Step 6: Final answer
    x = 52,682.92

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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.