Home / 55,915.84-83,871.24-15,934.96

Finding the Fourth Proportional to 55,915.84, 83,871.24 and 15,934.96

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Solution

The fourth proportional to 55,915.84, 83,871.24 and 15,934.96 is: 23,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.84 : 83,871.24 = 15,934.96 : x
  2. Step 2: Convert to fraction form
    55,915.84/83,871.24 = 15,934.96/x
  3. Step 3: Cross multiply
    55,915.84x = 83,871.24 × 15,934.96
  4. Step 4: Simplify right side
    55,915.84x = 1,336,484,854.55
  5. Step 5: Solve for x
    x = 1,336,484,854.55/55,915.84
  6. Step 6: Final answer
    x = 23,901.72

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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.