Home / 61,668.16-85,102.36-34,811.84

Finding the Fourth Proportional to 61,668.16, 85,102.36 and 34,811.84

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Solution

The fourth proportional to 61,668.16, 85,102.36 and 34,811.84 is: 48,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.16 : 85,102.36 = 34,811.84 : x
  2. Step 2: Convert to fraction form
    61,668.16/85,102.36 = 34,811.84/x
  3. Step 3: Cross multiply
    61,668.16x = 85,102.36 × 34,811.84
  4. Step 4: Simplify right side
    61,668.16x = 2,962,569,739.94
  5. Step 5: Solve for x
    x = 2,962,569,739.94/61,668.16
  6. Step 6: Final answer
    x = 48,040.51

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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.