Home / 92,931.44-128,245.92-50,490.32

Finding the Fourth Proportional to 92,931.44, 128,245.92 and 50,490.32

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Solution

The fourth proportional to 92,931.44, 128,245.92 and 50,490.32 is: 69,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.44 : 128,245.92 = 50,490.32 : x
  2. Step 2: Convert to fraction form
    92,931.44/128,245.92 = 50,490.32/x
  3. Step 3: Cross multiply
    92,931.44x = 128,245.92 × 50,490.32
  4. Step 4: Simplify right side
    92,931.44x = 6,475,177,539.49
  5. Step 5: Solve for x
    x = 6,475,177,539.49/92,931.44
  6. Step 6: Final answer
    x = 69,676.93

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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.