Home / 116,685.46-161,029.19-71,362.63

Finding the Fourth Proportional to 116,685.46, 161,029.19 and 71,362.63

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Solution

The fourth proportional to 116,685.46, 161,029.19 and 71,362.63 is: 98,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,685.46 : 161,029.19 = 71,362.63 : x
  2. Step 2: Convert to fraction form
    116,685.46/161,029.19 = 71,362.63/x
  3. Step 3: Cross multiply
    116,685.46x = 161,029.19 × 71,362.63
  4. Step 4: Simplify right side
    116,685.46x = 11,491,466,505.17
  5. Step 5: Solve for x
    x = 11,491,466,505.17/116,685.46
  6. Step 6: Final answer
    x = 98,482.42

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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.