Home / 62,189.20-93,249.60-42,490

Finding the Fourth Proportional to 62,189.20, 93,249.60 and 42,490

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Solution

The fourth proportional to 62,189.20, 93,249.60 and 42,490 is: 63,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.20 : 93,249.60 = 42,490 : x
  2. Step 2: Convert to fraction form
    62,189.20/93,249.60 = 42,490/x
  3. Step 3: Cross multiply
    62,189.20x = 93,249.60 × 42,490
  4. Step 4: Simplify right side
    62,189.20x = 3,962,175,504.00
  5. Step 5: Solve for x
    x = 3,962,175,504.00/62,189.20
  6. Step 6: Final answer
    x = 63,711.63

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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.