Home / 97,117.07-134,031.80-56,843.87

Finding the Fourth Proportional to 97,117.07, 134,031.80 and 56,843.87

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Solution

The fourth proportional to 97,117.07, 134,031.80 and 56,843.87 is: 78,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,117.07 : 134,031.80 = 56,843.87 : x
  2. Step 2: Convert to fraction form
    97,117.07/134,031.80 = 56,843.87/x
  3. Step 3: Cross multiply
    97,117.07x = 134,031.80 × 56,843.87
  4. Step 4: Simplify right side
    97,117.07x = 7,618,885,930.85
  5. Step 5: Solve for x
    x = 7,618,885,930.85/97,117.07
  6. Step 6: Final answer
    x = 78,450.53

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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.