Home / 75,826.64-113,705.40-38,916.56

Finding the Fourth Proportional to 75,826.64, 113,705.40 and 38,916.56

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Solution

The fourth proportional to 75,826.64, 113,705.40 and 38,916.56 is: 58,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,826.64 : 113,705.40 = 38,916.56 : x
  2. Step 2: Convert to fraction form
    75,826.64/113,705.40 = 38,916.56/x
  3. Step 3: Cross multiply
    75,826.64x = 113,705.40 × 38,916.56
  4. Step 4: Simplify right side
    75,826.64x = 4,425,023,021.42
  5. Step 5: Solve for x
    x = 4,425,023,021.42/75,826.64
  6. Step 6: Final answer
    x = 58,357.10

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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.