Home / 55,326.12-82,946.65-28,643.51

Finding the Fourth Proportional to 55,326.12, 82,946.65 and 28,643.51

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Solution

The fourth proportional to 55,326.12, 82,946.65 and 28,643.51 is: 42,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326.12 : 82,946.65 = 28,643.51 : x
  2. Step 2: Convert to fraction form
    55,326.12/82,946.65 = 28,643.51/x
  3. Step 3: Cross multiply
    55,326.12x = 82,946.65 × 28,643.51
  4. Step 4: Simplify right side
    55,326.12x = 2,375,883,198.74
  5. Step 5: Solve for x
    x = 2,375,883,198.74/55,326.12
  6. Step 6: Final answer
    x = 42,943.25

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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.