Home / 64,168.72-96,253.14-17,421.60

Finding the Fourth Proportional to 64,168.72, 96,253.14 and 17,421.60

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Solution

The fourth proportional to 64,168.72, 96,253.14 and 17,421.60 is: 26,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.72 : 96,253.14 = 17,421.60 : x
  2. Step 2: Convert to fraction form
    64,168.72/96,253.14 = 17,421.60/x
  3. Step 3: Cross multiply
    64,168.72x = 96,253.14 × 17,421.60
  4. Step 4: Simplify right side
    64,168.72x = 1,676,883,703.82
  5. Step 5: Solve for x
    x = 1,676,883,703.82/64,168.72
  6. Step 6: Final answer
    x = 26,132.42

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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.