Home / 124,911.11-187,369.10-45,984.71

Finding the Fourth Proportional to 124,911.11, 187,369.10 and 45,984.71

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Solution

The fourth proportional to 124,911.11, 187,369.10 and 45,984.71 is: 68,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.11 : 187,369.10 = 45,984.71 : x
  2. Step 2: Convert to fraction form
    124,911.11/187,369.10 = 45,984.71/x
  3. Step 3: Cross multiply
    124,911.11x = 187,369.10 × 45,984.71
  4. Step 4: Simplify right side
    124,911.11x = 8,616,113,726.46
  5. Step 5: Solve for x
    x = 8,616,113,726.46/124,911.11
  6. Step 6: Final answer
    x = 68,977.96

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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.