Home / 72,546.29-100,123.65-40,716.93

Finding the Fourth Proportional to 72,546.29, 100,123.65 and 40,716.93

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Solution

The fourth proportional to 72,546.29, 100,123.65 and 40,716.93 is: 56,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,546.29 : 100,123.65 = 40,716.93 : x
  2. Step 2: Convert to fraction form
    72,546.29/100,123.65 = 40,716.93/x
  3. Step 3: Cross multiply
    72,546.29x = 100,123.65 × 40,716.93
  4. Step 4: Simplify right side
    72,546.29x = 4,076,727,648.39
  5. Step 5: Solve for x
    x = 4,076,727,648.39/72,546.29
  6. Step 6: Final answer
    x = 56,194.85

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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.