Home / 70,665.15-97,516.81-38,833.37

Finding the Fourth Proportional to 70,665.15, 97,516.81 and 38,833.37

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Solution

The fourth proportional to 70,665.15, 97,516.81 and 38,833.37 is: 53,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665.15 : 97,516.81 = 38,833.37 : x
  2. Step 2: Convert to fraction form
    70,665.15/97,516.81 = 38,833.37/x
  3. Step 3: Cross multiply
    70,665.15x = 97,516.81 × 38,833.37
  4. Step 4: Simplify right side
    70,665.15x = 3,786,906,363.95
  5. Step 5: Solve for x
    x = 3,786,906,363.95/70,665.15
  6. Step 6: Final answer
    x = 53,589.45

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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.