Home / 124,834.14-172,271.70-68,245.50

Finding the Fourth Proportional to 124,834.14, 172,271.70 and 68,245.50

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Solution

The fourth proportional to 124,834.14, 172,271.70 and 68,245.50 is: 94,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.14 : 172,271.70 = 68,245.50 : x
  2. Step 2: Convert to fraction form
    124,834.14/172,271.70 = 68,245.50/x
  3. Step 3: Cross multiply
    124,834.14x = 172,271.70 × 68,245.50
  4. Step 4: Simplify right side
    124,834.14x = 11,756,768,302.35
  5. Step 5: Solve for x
    x = 11,756,768,302.35/124,834.14
  6. Step 6: Final answer
    x = 94,179.11

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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.