Home / 116,753.10-161,123.23-69,047.34

Finding the Fourth Proportional to 116,753.10, 161,123.23 and 69,047.34

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Solution

The fourth proportional to 116,753.10, 161,123.23 and 69,047.34 is: 95,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,753.10 : 161,123.23 = 69,047.34 : x
  2. Step 2: Convert to fraction form
    116,753.10/161,123.23 = 69,047.34/x
  3. Step 3: Cross multiply
    116,753.10x = 161,123.23 × 69,047.34
  4. Step 4: Simplify right side
    116,753.10x = 11,125,129,537.41
  5. Step 5: Solve for x
    x = 11,125,129,537.41/116,753.10
  6. Step 6: Final answer
    x = 95,287.66

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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.