Home / 67,977.60-93,782.91-50,115.07

Finding the Fourth Proportional to 67,977.60, 93,782.91 and 50,115.07

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Solution

The fourth proportional to 67,977.60, 93,782.91 and 50,115.07 is: 69,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.60 : 93,782.91 = 50,115.07 : x
  2. Step 2: Convert to fraction form
    67,977.60/93,782.91 = 50,115.07/x
  3. Step 3: Cross multiply
    67,977.60x = 93,782.91 × 50,115.07
  4. Step 4: Simplify right side
    67,977.60x = 4,699,937,099.45
  5. Step 5: Solve for x
    x = 4,699,937,099.45/67,977.60
  6. Step 6: Final answer
    x = 69,139.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.