Home / 70,378.36-97,122.94-40,167.76

Finding the Fourth Proportional to 70,378.36, 97,122.94 and 40,167.76

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Solution

The fourth proportional to 70,378.36, 97,122.94 and 40,167.76 is: 55,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.36 : 97,122.94 = 40,167.76 : x
  2. Step 2: Convert to fraction form
    70,378.36/97,122.94 = 40,167.76/x
  3. Step 3: Cross multiply
    70,378.36x = 97,122.94 × 40,167.76
  4. Step 4: Simplify right side
    70,378.36x = 3,901,210,944.41
  5. Step 5: Solve for x
    x = 3,901,210,944.41/70,378.36
  6. Step 6: Final answer
    x = 55,431.97

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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.