Home / 116,763.84-161,140.32-66,479.04

Finding the Fourth Proportional to 116,763.84, 161,140.32 and 66,479.04

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Solution

The fourth proportional to 116,763.84, 161,140.32 and 66,479.04 is: 91,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,763.84 : 161,140.32 = 66,479.04 : x
  2. Step 2: Convert to fraction form
    116,763.84/161,140.32 = 66,479.04/x
  3. Step 3: Cross multiply
    116,763.84x = 161,140.32 × 66,479.04
  4. Step 4: Simplify right side
    116,763.84x = 10,712,453,778.89
  5. Step 5: Solve for x
    x = 10,712,453,778.89/116,763.84
  6. Step 6: Final answer
    x = 91,744.62

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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.