Home / 89,459.27-134,205.30-36,840.05

Finding the Fourth Proportional to 89,459.27, 134,205.30 and 36,840.05

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Solution

The fourth proportional to 89,459.27, 134,205.30 and 36,840.05 is: 55,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.27 : 134,205.30 = 36,840.05 : x
  2. Step 2: Convert to fraction form
    89,459.27/134,205.30 = 36,840.05/x
  3. Step 3: Cross multiply
    89,459.27x = 134,205.30 × 36,840.05
  4. Step 4: Simplify right side
    89,459.27x = 4,944,129,291.24
  5. Step 5: Solve for x
    x = 4,944,129,291.24/89,459.27
  6. Step 6: Final answer
    x = 55,266.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.