Home / 53,156.09-73,355.46-29,282.78

Finding the Fourth Proportional to 53,156.09, 73,355.46 and 29,282.78

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Solution

The fourth proportional to 53,156.09, 73,355.46 and 29,282.78 is: 40,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.09 : 73,355.46 = 29,282.78 : x
  2. Step 2: Convert to fraction form
    53,156.09/73,355.46 = 29,282.78/x
  3. Step 3: Cross multiply
    53,156.09x = 73,355.46 × 29,282.78
  4. Step 4: Simplify right side
    53,156.09x = 2,148,051,796.98
  5. Step 5: Solve for x
    x = 2,148,051,796.98/53,156.09
  6. Step 6: Final answer
    x = 40,410.27

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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.