Home / 104,281.01-143,831.35-68,457.95

Finding the Fourth Proportional to 104,281.01, 143,831.35 and 68,457.95

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Solution

The fourth proportional to 104,281.01, 143,831.35 and 68,457.95 is: 94,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.01 : 143,831.35 = 68,457.95 : x
  2. Step 2: Convert to fraction form
    104,281.01/143,831.35 = 68,457.95/x
  3. Step 3: Cross multiply
    104,281.01x = 143,831.35 × 68,457.95
  4. Step 4: Simplify right side
    104,281.01x = 9,846,398,476.43
  5. Step 5: Solve for x
    x = 9,846,398,476.43/104,281.01
  6. Step 6: Final answer
    x = 94,421.78

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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.