Home / 99,076.37-148,417.71-54,592.79

Finding the Fourth Proportional to 99,076.37, 148,417.71 and 54,592.79

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Solution

The fourth proportional to 99,076.37, 148,417.71 and 54,592.79 is: 81,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.37 : 148,417.71 = 54,592.79 : x
  2. Step 2: Convert to fraction form
    99,076.37/148,417.71 = 54,592.79/x
  3. Step 3: Cross multiply
    99,076.37x = 148,417.71 × 54,592.79
  4. Step 4: Simplify right side
    99,076.37x = 8,102,536,132.22
  5. Step 5: Solve for x
    x = 8,102,536,132.22/99,076.37
  6. Step 6: Final answer
    x = 81,780.72

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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.