Home / 85,882.04-118,457.25-82,991.96

Finding the Fourth Proportional to 85,882.04, 118,457.25 and 82,991.96

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Solution

The fourth proportional to 85,882.04, 118,457.25 and 82,991.96 is: 114,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,882.04 : 118,457.25 = 82,991.96 : x
  2. Step 2: Convert to fraction form
    85,882.04/118,457.25 = 82,991.96/x
  3. Step 3: Cross multiply
    85,882.04x = 118,457.25 × 82,991.96
  4. Step 4: Simplify right side
    85,882.04x = 9,830,999,353.71
  5. Step 5: Solve for x
    x = 9,830,999,353.71/85,882.04
  6. Step 6: Final answer
    x = 114,470.96

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1.5x scale

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.