Home / 70,406.39-97,161.03-38,141.34

Finding the Fourth Proportional to 70,406.39, 97,161.03 and 38,141.34

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Solution

The fourth proportional to 70,406.39, 97,161.03 and 38,141.34 is: 52,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,406.39 : 97,161.03 = 38,141.34 : x
  2. Step 2: Convert to fraction form
    70,406.39/97,161.03 = 38,141.34/x
  3. Step 3: Cross multiply
    70,406.39x = 97,161.03 × 38,141.34
  4. Step 4: Simplify right side
    70,406.39x = 3,705,851,879.98
  5. Step 5: Solve for x
    x = 3,705,851,879.98/70,406.39
  6. Step 6: Final answer
    x = 52,635.17

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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.