Home / 55,271.69-76,287.24-35,124.64

Finding the Fourth Proportional to 55,271.69, 76,287.24 and 35,124.64

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Solution

The fourth proportional to 55,271.69, 76,287.24 and 35,124.64 is: 48,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.69 : 76,287.24 = 35,124.64 : x
  2. Step 2: Convert to fraction form
    55,271.69/76,287.24 = 35,124.64/x
  3. Step 3: Cross multiply
    55,271.69x = 76,287.24 × 35,124.64
  4. Step 4: Simplify right side
    55,271.69x = 2,679,561,284.53
  5. Step 5: Solve for x
    x = 2,679,561,284.53/55,271.69
  6. Step 6: Final answer
    x = 48,479.81

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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.