Home / 75,126.26-112,527.38-70,709.92

Finding the Fourth Proportional to 75,126.26, 112,527.38 and 70,709.92

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Solution

The fourth proportional to 75,126.26, 112,527.38 and 70,709.92 is: 105,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.26 : 112,527.38 = 70,709.92 : x
  2. Step 2: Convert to fraction form
    75,126.26/112,527.38 = 70,709.92/x
  3. Step 3: Cross multiply
    75,126.26x = 112,527.38 × 70,709.92
  4. Step 4: Simplify right side
    75,126.26x = 7,956,802,037.61
  5. Step 5: Solve for x
    x = 7,956,802,037.61/75,126.26
  6. Step 6: Final answer
    x = 105,912.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.