Home / 55,282.22-76,300.35-38,505.50

Finding the Fourth Proportional to 55,282.22, 76,300.35 and 38,505.50

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Solution

The fourth proportional to 55,282.22, 76,300.35 and 38,505.50 is: 53,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.22 : 76,300.35 = 38,505.50 : x
  2. Step 2: Convert to fraction form
    55,282.22/76,300.35 = 38,505.50/x
  3. Step 3: Cross multiply
    55,282.22x = 76,300.35 × 38,505.50
  4. Step 4: Simplify right side
    55,282.22x = 2,937,983,126.93
  5. Step 5: Solve for x
    x = 2,937,983,126.93/55,282.22
  6. Step 6: Final answer
    x = 53,145.17

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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.