Home / 72,239.48-99,706.04-43,954.28

Finding the Fourth Proportional to 72,239.48, 99,706.04 and 43,954.28

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Solution

The fourth proportional to 72,239.48, 99,706.04 and 43,954.28 is: 60,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239.48 : 99,706.04 = 43,954.28 : x
  2. Step 2: Convert to fraction form
    72,239.48/99,706.04 = 43,954.28/x
  3. Step 3: Cross multiply
    72,239.48x = 99,706.04 × 43,954.28
  4. Step 4: Simplify right side
    72,239.48x = 4,382,506,481.55
  5. Step 5: Solve for x
    x = 4,382,506,481.55/72,239.48
  6. Step 6: Final answer
    x = 60,666.37

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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.