Home / 64,156.47-96,228.51-19,771.31

Finding the Fourth Proportional to 64,156.47, 96,228.51 and 19,771.31

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Solution

The fourth proportional to 64,156.47, 96,228.51 and 19,771.31 is: 29,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.47 : 96,228.51 = 19,771.31 : x
  2. Step 2: Convert to fraction form
    64,156.47/96,228.51 = 19,771.31/x
  3. Step 3: Cross multiply
    64,156.47x = 96,228.51 × 19,771.31
  4. Step 4: Simplify right side
    64,156.47x = 1,902,563,220.91
  5. Step 5: Solve for x
    x = 1,902,563,220.91/64,156.47
  6. Step 6: Final answer
    x = 29,655.05

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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.