Home / 56,556.27-78,011.78-34,742.99

Finding the Fourth Proportional to 56,556.27, 78,011.78 and 34,742.99

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Solution

The fourth proportional to 56,556.27, 78,011.78 and 34,742.99 is: 47,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,556.27 : 78,011.78 = 34,742.99 : x
  2. Step 2: Convert to fraction form
    56,556.27/78,011.78 = 34,742.99/x
  3. Step 3: Cross multiply
    56,556.27x = 78,011.78 × 34,742.99
  4. Step 4: Simplify right side
    56,556.27x = 2,710,362,644.02
  5. Step 5: Solve for x
    x = 2,710,362,644.02/56,556.27
  6. Step 6: Final answer
    x = 47,923.30

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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.