Home / 64,154.72-96,225.89-19,769.56

Finding the Fourth Proportional to 64,154.72, 96,225.89 and 19,769.56

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Solution

The fourth proportional to 64,154.72, 96,225.89 and 19,769.56 is: 29,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.72 : 96,225.89 = 19,769.56 : x
  2. Step 2: Convert to fraction form
    64,154.72/96,225.89 = 19,769.56/x
  3. Step 3: Cross multiply
    64,154.72x = 96,225.89 × 19,769.56
  4. Step 4: Simplify right side
    64,154.72x = 1,902,343,024.78
  5. Step 5: Solve for x
    x = 1,902,343,024.78/64,154.72
  6. Step 6: Final answer
    x = 29,652.43

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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.