Home / 72,835.47-100,514.83-41,005.51

Finding the Fourth Proportional to 72,835.47, 100,514.83 and 41,005.51

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Solution

The fourth proportional to 72,835.47, 100,514.83 and 41,005.51 is: 56,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,835.47 : 100,514.83 = 41,005.51 : x
  2. Step 2: Convert to fraction form
    72,835.47/100,514.83 = 41,005.51/x
  3. Step 3: Cross multiply
    72,835.47x = 100,514.83 × 41,005.51
  4. Step 4: Simplify right side
    72,835.47x = 4,121,661,969.23
  5. Step 5: Solve for x
    x = 4,121,661,969.23/72,835.47
  6. Step 6: Final answer
    x = 56,588.66

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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.