Home / 47,142.85-65,055.47-25,921.93

Finding the Fourth Proportional to 47,142.85, 65,055.47 and 25,921.93

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Solution

The fourth proportional to 47,142.85, 65,055.47 and 25,921.93 is: 35,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.85 : 65,055.47 = 25,921.93 : x
  2. Step 2: Convert to fraction form
    47,142.85/65,055.47 = 25,921.93/x
  3. Step 3: Cross multiply
    47,142.85x = 65,055.47 × 25,921.93
  4. Step 4: Simplify right side
    47,142.85x = 1,686,363,209.85
  5. Step 5: Solve for x
    x = 1,686,363,209.85/47,142.85
  6. Step 6: Final answer
    x = 35,771.35

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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.