Home / 101,529.63-140,106.35-56,204.43

Finding the Fourth Proportional to 101,529.63, 140,106.35 and 56,204.43

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Solution

The fourth proportional to 101,529.63, 140,106.35 and 56,204.43 is: 77,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529.63 : 140,106.35 = 56,204.43 : x
  2. Step 2: Convert to fraction form
    101,529.63/140,106.35 = 56,204.43/x
  3. Step 3: Cross multiply
    101,529.63x = 140,106.35 × 56,204.43
  4. Step 4: Simplify right side
    101,529.63x = 7,874,597,260.11
  5. Step 5: Solve for x
    x = 7,874,597,260.11/101,529.63
  6. Step 6: Final answer
    x = 77,559.60

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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.