Home / 101,529.13-140,105.66-56,203.93

Finding the Fourth Proportional to 101,529.13, 140,105.66 and 56,203.93

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Solution

The fourth proportional to 101,529.13, 140,105.66 and 56,203.93 is: 77,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529.13 : 140,105.66 = 56,203.93 : x
  2. Step 2: Convert to fraction form
    101,529.13/140,105.66 = 56,203.93/x
  3. Step 3: Cross multiply
    101,529.13x = 140,105.66 × 56,203.93
  4. Step 4: Simplify right side
    101,529.13x = 7,874,488,707.24
  5. Step 5: Solve for x
    x = 7,874,488,707.24/101,529.13
  6. Step 6: Final answer
    x = 77,558.91

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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.