Home / 51,192.39-76,688.96-28,938.45

Finding the Fourth Proportional to 51,192.39, 76,688.96 and 28,938.45

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Solution

The fourth proportional to 51,192.39, 76,688.96 and 28,938.45 is: 43,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192.39 : 76,688.96 = 28,938.45 : x
  2. Step 2: Convert to fraction form
    51,192.39/76,688.96 = 28,938.45/x
  3. Step 3: Cross multiply
    51,192.39x = 76,688.96 × 28,938.45
  4. Step 4: Simplify right side
    51,192.39x = 2,219,259,489.82
  5. Step 5: Solve for x
    x = 2,219,259,489.82/51,192.39
  6. Step 6: Final answer
    x = 43,351.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.