Home / 64,135.92-95,688.78-57,500.40

Finding the Fourth Proportional to 64,135.92, 95,688.78 and 57,500.40

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Solution

The fourth proportional to 64,135.92, 95,688.78 and 57,500.40 is: 85,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.92 : 95,688.78 = 57,500.40 : x
  2. Step 2: Convert to fraction form
    64,135.92/95,688.78 = 57,500.40/x
  3. Step 3: Cross multiply
    64,135.92x = 95,688.78 × 57,500.40
  4. Step 4: Simplify right side
    64,135.92x = 5,502,143,125.51
  5. Step 5: Solve for x
    x = 5,502,143,125.51/64,135.92
  6. Step 6: Final answer
    x = 85,788.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.