Home / 92,911.36-139,369.64-22,790.56

Finding the Fourth Proportional to 92,911.36, 139,369.64 and 22,790.56

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Solution

The fourth proportional to 92,911.36, 139,369.64 and 22,790.56 is: 34,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,911.36 : 139,369.64 = 22,790.56 : x
  2. Step 2: Convert to fraction form
    92,911.36/139,369.64 = 22,790.56/x
  3. Step 3: Cross multiply
    92,911.36x = 139,369.64 × 22,790.56
  4. Step 4: Simplify right side
    92,911.36x = 3,176,312,142.60
  5. Step 5: Solve for x
    x = 3,176,312,142.60/92,911.36
  6. Step 6: Final answer
    x = 34,186.48

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1.5x scale

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.