Home / 64,850.02-89,477.78-39,355.82

Finding the Fourth Proportional to 64,850.02, 89,477.78 and 39,355.82

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Solution

The fourth proportional to 64,850.02, 89,477.78 and 39,355.82 is: 54,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.02 : 89,477.78 = 39,355.82 : x
  2. Step 2: Convert to fraction form
    64,850.02/89,477.78 = 39,355.82/x
  3. Step 3: Cross multiply
    64,850.02x = 89,477.78 × 39,355.82
  4. Step 4: Simplify right side
    64,850.02x = 3,521,471,054.68
  5. Step 5: Solve for x
    x = 3,521,471,054.68/64,850.02
  6. Step 6: Final answer
    x = 54,301.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.