Home / 92,927.55-128,239.34-50,486.43

Finding the Fourth Proportional to 92,927.55, 128,239.34 and 50,486.43

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Solution

The fourth proportional to 92,927.55, 128,239.34 and 50,486.43 is: 69,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.55 : 128,239.34 = 50,486.43 : x
  2. Step 2: Convert to fraction form
    92,927.55/128,239.34 = 50,486.43/x
  3. Step 3: Cross multiply
    92,927.55x = 128,239.34 × 50,486.43
  4. Step 4: Simplify right side
    92,927.55x = 6,474,346,209.72
  5. Step 5: Solve for x
    x = 6,474,346,209.72/92,927.55
  6. Step 6: Final answer
    x = 69,670.90

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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.