Home / 97,031.13-133,922.82-56,754.78

Finding the Fourth Proportional to 97,031.13, 133,922.82 and 56,754.78

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Solution

The fourth proportional to 97,031.13, 133,922.82 and 56,754.78 is: 78,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,031.13 : 133,922.82 = 56,754.78 : x
  2. Step 2: Convert to fraction form
    97,031.13/133,922.82 = 56,754.78/x
  3. Step 3: Cross multiply
    97,031.13x = 133,922.82 × 56,754.78
  4. Step 4: Simplify right side
    97,031.13x = 7,600,760,186.08
  5. Step 5: Solve for x
    x = 7,600,760,186.08/97,031.13
  6. Step 6: Final answer
    x = 78,333.21

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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.