Home / 56,438.50-77,897.28-33,782.55

Finding the Fourth Proportional to 56,438.50, 77,897.28 and 33,782.55

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Solution

The fourth proportional to 56,438.50, 77,897.28 and 33,782.55 is: 46,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.50 : 77,897.28 = 33,782.55 : x
  2. Step 2: Convert to fraction form
    56,438.50/77,897.28 = 33,782.55/x
  3. Step 3: Cross multiply
    56,438.50x = 77,897.28 × 33,782.55
  4. Step 4: Simplify right side
    56,438.50x = 2,631,568,756.46
  5. Step 5: Solve for x
    x = 2,631,568,756.46/56,438.50
  6. Step 6: Final answer
    x = 46,627.19

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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.