Home / 67,640.03-93,285.96-40,776.65

Finding the Fourth Proportional to 67,640.03, 93,285.96 and 40,776.65

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Solution

The fourth proportional to 67,640.03, 93,285.96 and 40,776.65 is: 56,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.03 : 93,285.96 = 40,776.65 : x
  2. Step 2: Convert to fraction form
    67,640.03/93,285.96 = 40,776.65/x
  3. Step 3: Cross multiply
    67,640.03x = 93,285.96 × 40,776.65
  4. Step 4: Simplify right side
    67,640.03x = 3,803,888,474.40
  5. Step 5: Solve for x
    x = 3,803,888,474.40/67,640.03
  6. Step 6: Final answer
    x = 56,237.24

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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.