Home / 65,898.24-90,941.76-40,056.96

Finding the Fourth Proportional to 65,898.24, 90,941.76 and 40,056.96

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Solution

The fourth proportional to 65,898.24, 90,941.76 and 40,056.96 is: 55,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898.24 : 90,941.76 = 40,056.96 : x
  2. Step 2: Convert to fraction form
    65,898.24/90,941.76 = 40,056.96/x
  3. Step 3: Cross multiply
    65,898.24x = 90,941.76 × 40,056.96
  4. Step 4: Simplify right side
    65,898.24x = 3,642,850,442.65
  5. Step 5: Solve for x
    x = 3,642,850,442.65/65,898.24
  6. Step 6: Final answer
    x = 55,279.94

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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.