Home / 64,156.47-96,228.50-19,771.30

Finding the Fourth Proportional to 64,156.47, 96,228.50 and 19,771.30

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Solution

The fourth proportional to 64,156.47, 96,228.50 and 19,771.30 is: 29,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.47 : 96,228.50 = 19,771.30 : x
  2. Step 2: Convert to fraction form
    64,156.47/96,228.50 = 19,771.30/x
  3. Step 3: Cross multiply
    64,156.47x = 96,228.50 × 19,771.30
  4. Step 4: Simplify right side
    64,156.47x = 1,902,562,542.05
  5. Step 5: Solve for x
    x = 1,902,562,542.05/64,156.47
  6. Step 6: Final answer
    x = 29,655.04

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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.