Home / 53,161.48-73,366.16-29,288.15

Finding the Fourth Proportional to 53,161.48, 73,366.16 and 29,288.15

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Solution

The fourth proportional to 53,161.48, 73,366.16 and 29,288.15 is: 40,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.48 : 73,366.16 = 29,288.15 : x
  2. Step 2: Convert to fraction form
    53,161.48/73,366.16 = 29,288.15/x
  3. Step 3: Cross multiply
    53,161.48x = 73,366.16 × 29,288.15
  4. Step 4: Simplify right side
    53,161.48x = 2,148,758,860.86
  5. Step 5: Solve for x
    x = 2,148,758,860.86/53,161.48
  6. Step 6: Final answer
    x = 40,419.47

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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.