Home / 101,601.09-140,203.33-56,276.43

Finding the Fourth Proportional to 101,601.09, 140,203.33 and 56,276.43

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Solution

The fourth proportional to 101,601.09, 140,203.33 and 56,276.43 is: 77,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.09 : 140,203.33 = 56,276.43 : x
  2. Step 2: Convert to fraction form
    101,601.09/140,203.33 = 56,276.43/x
  3. Step 3: Cross multiply
    101,601.09x = 140,203.33 × 56,276.43
  4. Step 4: Simplify right side
    101,601.09x = 7,890,142,886.51
  5. Step 5: Solve for x
    x = 7,890,142,886.51/101,601.09
  6. Step 6: Final answer
    x = 77,658.05

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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.