Home / 101,854.08-140,556.50-56,529.42

Finding the Fourth Proportional to 101,854.08, 140,556.50 and 56,529.42

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Solution

The fourth proportional to 101,854.08, 140,556.50 and 56,529.42 is: 78,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,854.08 : 140,556.50 = 56,529.42 : x
  2. Step 2: Convert to fraction form
    101,854.08/140,556.50 = 56,529.42/x
  3. Step 3: Cross multiply
    101,854.08x = 140,556.50 × 56,529.42
  4. Step 4: Simplify right side
    101,854.08x = 7,945,577,422.23
  5. Step 5: Solve for x
    x = 7,945,577,422.23/101,854.08
  6. Step 6: Final answer
    x = 78,009.42

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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.