Home / 75,360.10-113,058.78-53,216.86

Finding the Fourth Proportional to 75,360.10, 113,058.78 and 53,216.86

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Solution

The fourth proportional to 75,360.10, 113,058.78 and 53,216.86 is: 79,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.10 : 113,058.78 = 53,216.86 : x
  2. Step 2: Convert to fraction form
    75,360.10/113,058.78 = 53,216.86/x
  3. Step 3: Cross multiply
    75,360.10x = 113,058.78 × 53,216.86
  4. Step 4: Simplify right side
    75,360.10x = 6,016,633,267.03
  5. Step 5: Solve for x
    x = 6,016,633,267.03/75,360.10
  6. Step 6: Final answer
    x = 79,838.45

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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.