Home / 53,218.88-73,445.16-29,350.64

Finding the Fourth Proportional to 53,218.88, 73,445.16 and 29,350.64

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Solution

The fourth proportional to 53,218.88, 73,445.16 and 29,350.64 is: 40,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.88 : 73,445.16 = 29,350.64 : x
  2. Step 2: Convert to fraction form
    53,218.88/73,445.16 = 29,350.64/x
  3. Step 3: Cross multiply
    53,218.88x = 73,445.16 × 29,350.64
  4. Step 4: Simplify right side
    53,218.88x = 2,155,662,450.90
  5. Step 5: Solve for x
    x = 2,155,662,450.90/53,218.88
  6. Step 6: Final answer
    x = 40,505.60

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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.