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Finding the Fourth Proportional to 64,225.48, 88,629.75 and 35,153.71

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Solution

The fourth proportional to 64,225.48, 88,629.75 and 35,153.71 is: 48,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.48 : 88,629.75 = 35,153.71 : x
  2. Step 2: Convert to fraction form
    64,225.48/88,629.75 = 35,153.71/x
  3. Step 3: Cross multiply
    64,225.48x = 88,629.75 × 35,153.71
  4. Step 4: Simplify right side
    64,225.48x = 3,115,664,528.87
  5. Step 5: Solve for x
    x = 3,115,664,528.87/64,225.48
  6. Step 6: Final answer
    x = 48,511.35

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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.