Home / 56,645.40-78,181.97-43,192.63

Finding the Fourth Proportional to 56,645.40, 78,181.97 and 43,192.63

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Solution

The fourth proportional to 56,645.40, 78,181.97 and 43,192.63 is: 59,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.40 : 78,181.97 = 43,192.63 : x
  2. Step 2: Convert to fraction form
    56,645.40/78,181.97 = 43,192.63/x
  3. Step 3: Cross multiply
    56,645.40x = 78,181.97 × 43,192.63
  4. Step 4: Simplify right side
    56,645.40x = 3,376,884,902.88
  5. Step 5: Solve for x
    x = 3,376,884,902.88/56,645.40
  6. Step 6: Final answer
    x = 59,614.46

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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.