Home / 124,900.88-172,369.47-73,942.83

Finding the Fourth Proportional to 124,900.88, 172,369.47 and 73,942.83

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Solution

The fourth proportional to 124,900.88, 172,369.47 and 73,942.83 is: 102,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.88 : 172,369.47 = 73,942.83 : x
  2. Step 2: Convert to fraction form
    124,900.88/172,369.47 = 73,942.83/x
  3. Step 3: Cross multiply
    124,900.88x = 172,369.47 × 73,942.83
  4. Step 4: Simplify right side
    124,900.88x = 12,745,486,417.40
  5. Step 5: Solve for x
    x = 12,745,486,417.40/124,900.88
  6. Step 6: Final answer
    x = 102,044.81

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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.