Home / 53,787.42-80,681.13-14,342.58

Finding the Fourth Proportional to 53,787.42, 80,681.13 and 14,342.58

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Solution

The fourth proportional to 53,787.42, 80,681.13 and 14,342.58 is: 21,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.42 : 80,681.13 = 14,342.58 : x
  2. Step 2: Convert to fraction form
    53,787.42/80,681.13 = 14,342.58/x
  3. Step 3: Cross multiply
    53,787.42x = 80,681.13 × 14,342.58
  4. Step 4: Simplify right side
    53,787.42x = 1,157,175,561.52
  5. Step 5: Solve for x
    x = 1,157,175,561.52/53,787.42
  6. Step 6: Final answer
    x = 21,513.87

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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.