Home / 75,935.36-113,838.20-53,678.72

Finding the Fourth Proportional to 75,935.36, 113,838.20 and 53,678.72

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Solution

The fourth proportional to 75,935.36, 113,838.20 and 53,678.72 is: 80,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,935.36 : 113,838.20 = 53,678.72 : x
  2. Step 2: Convert to fraction form
    75,935.36/113,838.20 = 53,678.72/x
  3. Step 3: Cross multiply
    75,935.36x = 113,838.20 × 53,678.72
  4. Step 4: Simplify right side
    75,935.36x = 6,110,688,863.10
  5. Step 5: Solve for x
    x = 6,110,688,863.10/75,935.36
  6. Step 6: Final answer
    x = 80,472.24

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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.