Home / 53,191.90-73,403.91-29,320.79

Finding the Fourth Proportional to 53,191.90, 73,403.91 and 29,320.79

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Solution

The fourth proportional to 53,191.90, 73,403.91 and 29,320.79 is: 40,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.90 : 73,403.91 = 29,320.79 : x
  2. Step 2: Convert to fraction form
    53,191.90/73,403.91 = 29,320.79/x
  3. Step 3: Cross multiply
    53,191.90x = 73,403.91 × 29,320.79
  4. Step 4: Simplify right side
    53,191.90x = 2,152,260,813.80
  5. Step 5: Solve for x
    x = 2,152,260,813.80/53,191.90
  6. Step 6: Final answer
    x = 40,462.19

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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.