Home / 92,931.68-128,245.60-50,489.92

Finding the Fourth Proportional to 92,931.68, 128,245.60 and 50,489.92

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Solution

The fourth proportional to 92,931.68, 128,245.60 and 50,489.92 is: 69,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.68 : 128,245.60 = 50,489.92 : x
  2. Step 2: Convert to fraction form
    92,931.68/128,245.60 = 50,489.92/x
  3. Step 3: Cross multiply
    92,931.68x = 128,245.60 × 50,489.92
  4. Step 4: Simplify right side
    92,931.68x = 6,475,110,084.35
  5. Step 5: Solve for x
    x = 6,475,110,084.35/92,931.68
  6. Step 6: Final answer
    x = 69,676.03

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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.