Home / 77,257.28-115,856.76-35,675.12

Finding the Fourth Proportional to 77,257.28, 115,856.76 and 35,675.12

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Solution

The fourth proportional to 77,257.28, 115,856.76 and 35,675.12 is: 53,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,257.28 : 115,856.76 = 35,675.12 : x
  2. Step 2: Convert to fraction form
    77,257.28/115,856.76 = 35,675.12/x
  3. Step 3: Cross multiply
    77,257.28x = 115,856.76 × 35,675.12
  4. Step 4: Simplify right side
    77,257.28x = 4,133,203,815.81
  5. Step 5: Solve for x
    x = 4,133,203,815.81/77,257.28
  6. Step 6: Final answer
    x = 53,499.21

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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.