Home / 101,125.11-139,580.41-58,697.31

Finding the Fourth Proportional to 101,125.11, 139,580.41 and 58,697.31

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Solution

The fourth proportional to 101,125.11, 139,580.41 and 58,697.31 is: 81,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125.11 : 139,580.41 = 58,697.31 : x
  2. Step 2: Convert to fraction form
    101,125.11/139,580.41 = 58,697.31/x
  3. Step 3: Cross multiply
    101,125.11x = 139,580.41 × 58,697.31
  4. Step 4: Simplify right side
    101,125.11x = 8,192,994,595.70
  5. Step 5: Solve for x
    x = 8,192,994,595.70/101,125.11
  6. Step 6: Final answer
    x = 81,018.40

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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.