Home / 53,108.72-73,291.32-29,236.16

Finding the Fourth Proportional to 53,108.72, 73,291.32 and 29,236.16

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Solution

The fourth proportional to 53,108.72, 73,291.32 and 29,236.16 is: 40,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.72 : 73,291.32 = 29,236.16 : x
  2. Step 2: Convert to fraction form
    53,108.72/73,291.32 = 29,236.16/x
  3. Step 3: Cross multiply
    53,108.72x = 73,291.32 × 29,236.16
  4. Step 4: Simplify right side
    53,108.72x = 2,142,756,758.13
  5. Step 5: Solve for x
    x = 2,142,756,758.13/53,108.72
  6. Step 6: Final answer
    x = 40,346.61

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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.