Home / 69,557.32-104,102.70-57,076.84

Finding the Fourth Proportional to 69,557.32, 104,102.70 and 57,076.84

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Solution

The fourth proportional to 69,557.32, 104,102.70 and 57,076.84 is: 85,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557.32 : 104,102.70 = 57,076.84 : x
  2. Step 2: Convert to fraction form
    69,557.32/104,102.70 = 57,076.84/x
  3. Step 3: Cross multiply
    69,557.32x = 104,102.70 × 57,076.84
  4. Step 4: Simplify right side
    69,557.32x = 5,941,853,151.47
  5. Step 5: Solve for x
    x = 5,941,853,151.47/69,557.32
  6. Step 6: Final answer
    x = 85,423.84

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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.