Home / 53,361.14-80,089.95-28,422.02

Finding the Fourth Proportional to 53,361.14, 80,089.95 and 28,422.02

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Solution

The fourth proportional to 53,361.14, 80,089.95 and 28,422.02 is: 42,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.14 : 80,089.95 = 28,422.02 : x
  2. Step 2: Convert to fraction form
    53,361.14/80,089.95 = 28,422.02/x
  3. Step 3: Cross multiply
    53,361.14x = 80,089.95 × 28,422.02
  4. Step 4: Simplify right side
    53,361.14x = 2,276,318,160.70
  5. Step 5: Solve for x
    x = 2,276,318,160.70/53,361.14
  6. Step 6: Final answer
    x = 42,658.72

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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.