Home / 71,816.48-99,094.88-39,984.64

Finding the Fourth Proportional to 71,816.48, 99,094.88 and 39,984.64

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Solution

The fourth proportional to 71,816.48, 99,094.88 and 39,984.64 is: 55,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,816.48 : 99,094.88 = 39,984.64 : x
  2. Step 2: Convert to fraction form
    71,816.48/99,094.88 = 39,984.64/x
  3. Step 3: Cross multiply
    71,816.48x = 99,094.88 × 39,984.64
  4. Step 4: Simplify right side
    71,816.48x = 3,962,273,102.64
  5. Step 5: Solve for x
    x = 3,962,273,102.64/71,816.48
  6. Step 6: Final answer
    x = 55,172.20

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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.