Home / 70,380.36-97,125.70-40,169.76

Finding the Fourth Proportional to 70,380.36, 97,125.70 and 40,169.76

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Solution

The fourth proportional to 70,380.36, 97,125.70 and 40,169.76 is: 55,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.36 : 97,125.70 = 40,169.76 : x
  2. Step 2: Convert to fraction form
    70,380.36/97,125.70 = 40,169.76/x
  3. Step 3: Cross multiply
    70,380.36x = 97,125.70 × 40,169.76
  4. Step 4: Simplify right side
    70,380.36x = 3,901,516,058.83
  5. Step 5: Solve for x
    x = 3,901,516,058.83/70,380.36
  6. Step 6: Final answer
    x = 55,434.73

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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.