Home / 55,276.52-76,282.71-30,126.02

Finding the Fourth Proportional to 55,276.52, 76,282.71 and 30,126.02

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Solution

The fourth proportional to 55,276.52, 76,282.71 and 30,126.02 is: 41,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.52 : 76,282.71 = 30,126.02 : x
  2. Step 2: Convert to fraction form
    55,276.52/76,282.71 = 30,126.02/x
  3. Step 3: Cross multiply
    55,276.52x = 76,282.71 × 30,126.02
  4. Step 4: Simplify right side
    55,276.52x = 2,298,094,447.11
  5. Step 5: Solve for x
    x = 2,298,094,447.11/55,276.52
  6. Step 6: Final answer
    x = 41,574.51

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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.