Home / 70,009.05-96,584.25-40,521.38

Finding the Fourth Proportional to 70,009.05, 96,584.25 and 40,521.38

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Solution

The fourth proportional to 70,009.05, 96,584.25 and 40,521.38 is: 55,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.05 : 96,584.25 = 40,521.38 : x
  2. Step 2: Convert to fraction form
    70,009.05/96,584.25 = 40,521.38/x
  3. Step 3: Cross multiply
    70,009.05x = 96,584.25 × 40,521.38
  4. Step 4: Simplify right side
    70,009.05x = 3,913,727,308.59
  5. Step 5: Solve for x
    x = 3,913,727,308.59/70,009.05
  6. Step 6: Final answer
    x = 55,903.16

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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.