Home / 109,729.14-151,426.21-59,428.14

Finding the Fourth Proportional to 109,729.14, 151,426.21 and 59,428.14

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Solution

The fourth proportional to 109,729.14, 151,426.21 and 59,428.14 is: 82,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729.14 : 151,426.21 = 59,428.14 : x
  2. Step 2: Convert to fraction form
    109,729.14/151,426.21 = 59,428.14/x
  3. Step 3: Cross multiply
    109,729.14x = 151,426.21 × 59,428.14
  4. Step 4: Simplify right side
    109,729.14x = 8,998,977,250.42
  5. Step 5: Solve for x
    x = 8,998,977,250.42/109,729.14
  6. Step 6: Final answer
    x = 82,010.83

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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.