Home / 124,949.07-172,429.20-67,588.44

Finding the Fourth Proportional to 124,949.07, 172,429.20 and 67,588.44

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Solution

The fourth proportional to 124,949.07, 172,429.20 and 67,588.44 is: 93,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,949.07 : 172,429.20 = 67,588.44 : x
  2. Step 2: Convert to fraction form
    124,949.07/172,429.20 = 67,588.44/x
  3. Step 3: Cross multiply
    124,949.07x = 172,429.20 × 67,588.44
  4. Step 4: Simplify right side
    124,949.07x = 11,654,220,638.45
  5. Step 5: Solve for x
    x = 11,654,220,638.45/124,949.07
  6. Step 6: Final answer
    x = 93,271.77

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1.5x scale

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.