Home / 92,768.12-128,020.08-50,326.82

Finding the Fourth Proportional to 92,768.12, 128,020.08 and 50,326.82

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Solution

The fourth proportional to 92,768.12, 128,020.08 and 50,326.82 is: 69,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.12 : 128,020.08 = 50,326.82 : x
  2. Step 2: Convert to fraction form
    92,768.12/128,020.08 = 50,326.82/x
  3. Step 3: Cross multiply
    92,768.12x = 128,020.08 × 50,326.82
  4. Step 4: Simplify right side
    92,768.12x = 6,442,843,522.55
  5. Step 5: Solve for x
    x = 6,442,843,522.55/92,768.12
  6. Step 6: Final answer
    x = 69,451.05

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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.