Home / 72,194.18-99,623.88-39,926.88

Finding the Fourth Proportional to 72,194.18, 99,623.88 and 39,926.88

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Solution

The fourth proportional to 72,194.18, 99,623.88 and 39,926.88 is: 55,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,194.18 : 99,623.88 = 39,926.88 : x
  2. Step 2: Convert to fraction form
    72,194.18/99,623.88 = 39,926.88/x
  3. Step 3: Cross multiply
    72,194.18x = 99,623.88 × 39,926.88
  4. Step 4: Simplify right side
    72,194.18x = 3,977,670,701.89
  5. Step 5: Solve for x
    x = 3,977,670,701.89/72,194.18
  6. Step 6: Final answer
    x = 55,096.84

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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.