Home / 99,352.64-137,107.56-54,031.05

Finding the Fourth Proportional to 99,352.64, 137,107.56 and 54,031.05

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Solution

The fourth proportional to 99,352.64, 137,107.56 and 54,031.05 is: 74,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,352.64 : 137,107.56 = 54,031.05 : x
  2. Step 2: Convert to fraction form
    99,352.64/137,107.56 = 54,031.05/x
  3. Step 3: Cross multiply
    99,352.64x = 137,107.56 × 54,031.05
  4. Step 4: Simplify right side
    99,352.64x = 7,408,065,429.74
  5. Step 5: Solve for x
    x = 7,408,065,429.74/99,352.64
  6. Step 6: Final answer
    x = 74,563.35

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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.