Home / 101,623.73-140,229.41-56,290.48

Finding the Fourth Proportional to 101,623.73, 140,229.41 and 56,290.48

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Solution

The fourth proportional to 101,623.73, 140,229.41 and 56,290.48 is: 77,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,623.73 : 140,229.41 = 56,290.48 : x
  2. Step 2: Convert to fraction form
    101,623.73/140,229.41 = 56,290.48/x
  3. Step 3: Cross multiply
    101,623.73x = 140,229.41 × 56,290.48
  4. Step 4: Simplify right side
    101,623.73x = 7,893,580,483.62
  5. Step 5: Solve for x
    x = 7,893,580,483.62/101,623.73
  6. Step 6: Final answer
    x = 77,674.58

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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.