Home / 75,905.28-113,618.16-64,733.76

Finding the Fourth Proportional to 75,905.28, 113,618.16 and 64,733.76

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Solution

The fourth proportional to 75,905.28, 113,618.16 and 64,733.76 is: 96,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.28 : 113,618.16 = 64,733.76 : x
  2. Step 2: Convert to fraction form
    75,905.28/113,618.16 = 64,733.76/x
  3. Step 3: Cross multiply
    75,905.28x = 113,618.16 × 64,733.76
  4. Step 4: Simplify right side
    75,905.28x = 7,354,930,701.08
  5. Step 5: Solve for x
    x = 7,354,930,701.08/75,905.28
  6. Step 6: Final answer
    x = 96,896.17

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1.5x scale

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.