Home / 93,632.78-129,214.50-51,191.22

Finding the Fourth Proportional to 93,632.78, 129,214.50 and 51,191.22

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Solution

The fourth proportional to 93,632.78, 129,214.50 and 51,191.22 is: 70,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,632.78 : 129,214.50 = 51,191.22 : x
  2. Step 2: Convert to fraction form
    93,632.78/129,214.50 = 51,191.22/x
  3. Step 3: Cross multiply
    93,632.78x = 129,214.50 × 51,191.22
  4. Step 4: Simplify right side
    93,632.78x = 6,614,647,896.69
  5. Step 5: Solve for x
    x = 6,614,647,896.69/93,632.78
  6. Step 6: Final answer
    x = 70,644.57

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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.