Home / 101,623.86-140,229.54-56,290.50

Finding the Fourth Proportional to 101,623.86, 140,229.54 and 56,290.50

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Solution

The fourth proportional to 101,623.86, 140,229.54 and 56,290.50 is: 77,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,623.86 : 140,229.54 = 56,290.50 : x
  2. Step 2: Convert to fraction form
    101,623.86/140,229.54 = 56,290.50/x
  3. Step 3: Cross multiply
    101,623.86x = 140,229.54 × 56,290.50
  4. Step 4: Simplify right side
    101,623.86x = 7,893,590,921.37
  5. Step 5: Solve for x
    x = 7,893,590,921.37/101,623.86
  6. Step 6: Final answer
    x = 77,674.58

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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.