Home / 53,787.75-80,681.56-16,347.72

Finding the Fourth Proportional to 53,787.75, 80,681.56 and 16,347.72

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Solution

The fourth proportional to 53,787.75, 80,681.56 and 16,347.72 is: 24,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.75 : 80,681.56 = 16,347.72 : x
  2. Step 2: Convert to fraction form
    53,787.75/80,681.56 = 16,347.72/x
  3. Step 3: Cross multiply
    53,787.75x = 80,681.56 × 16,347.72
  4. Step 4: Simplify right side
    53,787.75x = 1,318,959,552.04
  5. Step 5: Solve for x
    x = 1,318,959,552.04/53,787.75
  6. Step 6: Final answer
    x = 24,521.56

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1.5x scale

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.