Home / 53,195.12-73,412.55-29,321.74

Finding the Fourth Proportional to 53,195.12, 73,412.55 and 29,321.74

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Solution

The fourth proportional to 53,195.12, 73,412.55 and 29,321.74 is: 40,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.12 : 73,412.55 = 29,321.74 : x
  2. Step 2: Convert to fraction form
    53,195.12/73,412.55 = 29,321.74/x
  3. Step 3: Cross multiply
    53,195.12x = 73,412.55 × 29,321.74
  4. Step 4: Simplify right side
    53,195.12x = 2,152,583,520.31
  5. Step 5: Solve for x
    x = 2,152,583,520.31/53,195.12
  6. Step 6: Final answer
    x = 40,465.81

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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.