Home / 56,765.08-78,162.06-50,299.12

Finding the Fourth Proportional to 56,765.08, 78,162.06 and 50,299.12

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Solution

The fourth proportional to 56,765.08, 78,162.06 and 50,299.12 is: 69,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.08 : 78,162.06 = 50,299.12 : x
  2. Step 2: Convert to fraction form
    56,765.08/78,162.06 = 50,299.12/x
  3. Step 3: Cross multiply
    56,765.08x = 78,162.06 × 50,299.12
  4. Step 4: Simplify right side
    56,765.08x = 3,931,482,835.39
  5. Step 5: Solve for x
    x = 3,931,482,835.39/56,765.08
  6. Step 6: Final answer
    x = 69,258.83

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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.