Home / 101,944.94-140,679.14-56,625.80

Finding the Fourth Proportional to 101,944.94, 140,679.14 and 56,625.80

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Solution

The fourth proportional to 101,944.94, 140,679.14 and 56,625.80 is: 78,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,944.94 : 140,679.14 = 56,625.80 : x
  2. Step 2: Convert to fraction form
    101,944.94/140,679.14 = 56,625.80/x
  3. Step 3: Cross multiply
    101,944.94x = 140,679.14 × 56,625.80
  4. Step 4: Simplify right side
    101,944.94x = 7,966,068,845.81
  5. Step 5: Solve for x
    x = 7,966,068,845.81/101,944.94
  6. Step 6: Final answer
    x = 78,140.89

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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.