Home / 120,085.10-179,971.86-48,924.98

Finding the Fourth Proportional to 120,085.10, 179,971.86 and 48,924.98

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Solution

The fourth proportional to 120,085.10, 179,971.86 and 48,924.98 is: 73,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,085.10 : 179,971.86 = 48,924.98 : x
  2. Step 2: Convert to fraction form
    120,085.10/179,971.86 = 48,924.98/x
  3. Step 3: Cross multiply
    120,085.10x = 179,971.86 × 48,924.98
  4. Step 4: Simplify right side
    120,085.10x = 8,805,119,651.06
  5. Step 5: Solve for x
    x = 8,805,119,651.06/120,085.10
  6. Step 6: Final answer
    x = 73,324.00

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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.