Home / 56,973.09-78,556.16-38,834.55

Finding the Fourth Proportional to 56,973.09, 78,556.16 and 38,834.55

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Solution

The fourth proportional to 56,973.09, 78,556.16 and 38,834.55 is: 53,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,973.09 : 78,556.16 = 38,834.55 : x
  2. Step 2: Convert to fraction form
    56,973.09/78,556.16 = 38,834.55/x
  3. Step 3: Cross multiply
    56,973.09x = 78,556.16 × 38,834.55
  4. Step 4: Simplify right side
    56,973.09x = 3,050,692,780.20
  5. Step 5: Solve for x
    x = 3,050,692,780.20/56,973.09
  6. Step 6: Final answer
    x = 53,546.21

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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.