Home / 53,138.15-73,329.76-29,267.05

Finding the Fourth Proportional to 53,138.15, 73,329.76 and 29,267.05

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Solution

The fourth proportional to 53,138.15, 73,329.76 and 29,267.05 is: 40,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.15 : 73,329.76 = 29,267.05 : x
  2. Step 2: Convert to fraction form
    53,138.15/73,329.76 = 29,267.05/x
  3. Step 3: Cross multiply
    53,138.15x = 73,329.76 × 29,267.05
  4. Step 4: Simplify right side
    53,138.15x = 2,146,145,239.42
  5. Step 5: Solve for x
    x = 2,146,145,239.42/53,138.15
  6. Step 6: Final answer
    x = 40,388.03

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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.