Home / 55,560.52-76,675.10-30,411.64

Finding the Fourth Proportional to 55,560.52, 76,675.10 and 30,411.64

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Solution

The fourth proportional to 55,560.52, 76,675.10 and 30,411.64 is: 41,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.52 : 76,675.10 = 30,411.64 : x
  2. Step 2: Convert to fraction form
    55,560.52/76,675.10 = 30,411.64/x
  3. Step 3: Cross multiply
    55,560.52x = 76,675.10 × 30,411.64
  4. Step 4: Simplify right side
    55,560.52x = 2,331,815,538.16
  5. Step 5: Solve for x
    x = 2,331,815,538.16/55,560.52
  6. Step 6: Final answer
    x = 41,968.93

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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.