Home / 53,603.78-73,969.61-29,729.57

Finding the Fourth Proportional to 53,603.78, 73,969.61 and 29,729.57

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Solution

The fourth proportional to 53,603.78, 73,969.61 and 29,729.57 is: 41,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.78 : 73,969.61 = 29,729.57 : x
  2. Step 2: Convert to fraction form
    53,603.78/73,969.61 = 29,729.57/x
  3. Step 3: Cross multiply
    53,603.78x = 73,969.61 × 29,729.57
  4. Step 4: Simplify right side
    53,603.78x = 2,199,084,179.87
  5. Step 5: Solve for x
    x = 2,199,084,179.87/53,603.78
  6. Step 6: Final answer
    x = 41,024.80

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1.5x scale

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.