Home / 70,261.12-96,956.94-40,047.76

Finding the Fourth Proportional to 70,261.12, 96,956.94 and 40,047.76

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Solution

The fourth proportional to 70,261.12, 96,956.94 and 40,047.76 is: 55,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,261.12 : 96,956.94 = 40,047.76 : x
  2. Step 2: Convert to fraction form
    70,261.12/96,956.94 = 40,047.76/x
  3. Step 3: Cross multiply
    70,261.12x = 96,956.94 × 40,047.76
  4. Step 4: Simplify right side
    70,261.12x = 3,882,908,263.45
  5. Step 5: Solve for x
    x = 3,882,908,263.45/70,261.12
  6. Step 6: Final answer
    x = 55,263.97

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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.