Home / 89,795.64-123,917.40-48,959.76

Finding the Fourth Proportional to 89,795.64, 123,917.40 and 48,959.76

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Solution

The fourth proportional to 89,795.64, 123,917.40 and 48,959.76 is: 67,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,795.64 : 123,917.40 = 48,959.76 : x
  2. Step 2: Convert to fraction form
    89,795.64/123,917.40 = 48,959.76/x
  3. Step 3: Cross multiply
    89,795.64x = 123,917.40 × 48,959.76
  4. Step 4: Simplify right side
    89,795.64x = 6,066,966,163.82
  5. Step 5: Solve for x
    x = 6,066,966,163.82/89,795.64
  6. Step 6: Final answer
    x = 67,564.15

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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.