Home / 55,469.80-83,080.86-42,904.36

Finding the Fourth Proportional to 55,469.80, 83,080.86 and 42,904.36

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Solution

The fourth proportional to 55,469.80, 83,080.86 and 42,904.36 is: 64,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.80 : 83,080.86 = 42,904.36 : x
  2. Step 2: Convert to fraction form
    55,469.80/83,080.86 = 42,904.36/x
  3. Step 3: Cross multiply
    55,469.80x = 83,080.86 × 42,904.36
  4. Step 4: Simplify right side
    55,469.80x = 3,564,531,126.55
  5. Step 5: Solve for x
    x = 3,564,531,126.55/55,469.80
  6. Step 6: Final answer
    x = 64,260.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.