Home / 92,930.72-128,234.10-51,536.68

Finding the Fourth Proportional to 92,930.72, 128,234.10 and 51,536.68

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Solution

The fourth proportional to 92,930.72, 128,234.10 and 51,536.68 is: 71,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,930.72 : 128,234.10 = 51,536.68 : x
  2. Step 2: Convert to fraction form
    92,930.72/128,234.10 = 51,536.68/x
  3. Step 3: Cross multiply
    92,930.72x = 128,234.10 × 51,536.68
  4. Step 4: Simplify right side
    92,930.72x = 6,608,759,776.79
  5. Step 5: Solve for x
    x = 6,608,759,776.79/92,930.72
  6. Step 6: Final answer
    x = 71,114.91

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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.