Home / 62,621.88-93,934.50-15,878.40

Finding the Fourth Proportional to 62,621.88, 93,934.50 and 15,878.40

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Solution

The fourth proportional to 62,621.88, 93,934.50 and 15,878.40 is: 23,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,621.88 : 93,934.50 = 15,878.40 : x
  2. Step 2: Convert to fraction form
    62,621.88/93,934.50 = 15,878.40/x
  3. Step 3: Cross multiply
    62,621.88x = 93,934.50 × 15,878.40
  4. Step 4: Simplify right side
    62,621.88x = 1,491,529,564.80
  5. Step 5: Solve for x
    x = 1,491,529,564.80/62,621.88
  6. Step 6: Final answer
    x = 23,818.03

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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.