Home / 53,201.17-73,422.80-39,749.08

Finding the Fourth Proportional to 53,201.17, 73,422.80 and 39,749.08

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Solution

The fourth proportional to 53,201.17, 73,422.80 and 39,749.08 is: 54,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,201.17 : 73,422.80 = 39,749.08 : x
  2. Step 2: Convert to fraction form
    53,201.17/73,422.80 = 39,749.08/x
  3. Step 3: Cross multiply
    53,201.17x = 73,422.80 × 39,749.08
  4. Step 4: Simplify right side
    53,201.17x = 2,918,488,751.02
  5. Step 5: Solve for x
    x = 2,918,488,751.02/53,201.17
  6. Step 6: Final answer
    x = 54,857.60

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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.