Home / 92,932.16-128,245.88-50,490.72

Finding the Fourth Proportional to 92,932.16, 128,245.88 and 50,490.72

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Solution

The fourth proportional to 92,932.16, 128,245.88 and 50,490.72 is: 69,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,932.16 : 128,245.88 = 50,490.72 : x
  2. Step 2: Convert to fraction form
    92,932.16/128,245.88 = 50,490.72/x
  3. Step 3: Cross multiply
    92,932.16x = 128,245.88 × 50,490.72
  4. Step 4: Simplify right side
    92,932.16x = 6,475,226,818.23
  5. Step 5: Solve for x
    x = 6,475,226,818.23/92,932.16
  6. Step 6: Final answer
    x = 69,676.92

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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.