Home / 93,438.26-128,939.90-50,996.06

Finding the Fourth Proportional to 93,438.26, 128,939.90 and 50,996.06

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Solution

The fourth proportional to 93,438.26, 128,939.90 and 50,996.06 is: 70,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438.26 : 128,939.90 = 50,996.06 : x
  2. Step 2: Convert to fraction form
    93,438.26/128,939.90 = 50,996.06/x
  3. Step 3: Cross multiply
    93,438.26x = 128,939.90 × 50,996.06
  4. Step 4: Simplify right side
    93,438.26x = 6,575,426,876.79
  5. Step 5: Solve for x
    x = 6,575,426,876.79/93,438.26
  6. Step 6: Final answer
    x = 70,371.89

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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.