Home / 116,692.04-160,970.19-76,470.68

Finding the Fourth Proportional to 116,692.04, 160,970.19 and 76,470.68

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Solution

The fourth proportional to 116,692.04, 160,970.19 and 76,470.68 is: 105,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,692.04 : 160,970.19 = 76,470.68 : x
  2. Step 2: Convert to fraction form
    116,692.04/160,970.19 = 76,470.68/x
  3. Step 3: Cross multiply
    116,692.04x = 160,970.19 × 76,470.68
  4. Step 4: Simplify right side
    116,692.04x = 12,309,500,004.69
  5. Step 5: Solve for x
    x = 12,309,500,004.69/116,692.04
  6. Step 6: Final answer
    x = 105,487.06

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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.