Home / 92,936.76-128,253-52,657.96

Finding the Fourth Proportional to 92,936.76, 128,253 and 52,657.96

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Solution

The fourth proportional to 92,936.76, 128,253 and 52,657.96 is: 72,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,936.76 : 128,253 = 52,657.96 : x
  2. Step 2: Convert to fraction form
    92,936.76/128,253 = 52,657.96/x
  3. Step 3: Cross multiply
    92,936.76x = 128,253 × 52,657.96
  4. Step 4: Simplify right side
    92,936.76x = 6,753,541,343.88
  5. Step 5: Solve for x
    x = 6,753,541,343.88/92,936.76
  6. Step 6: Final answer
    x = 72,668.14

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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.