Home / 96,123.48-143,984.16-77,301.60

Finding the Fourth Proportional to 96,123.48, 143,984.16 and 77,301.60

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Solution

The fourth proportional to 96,123.48, 143,984.16 and 77,301.60 is: 115,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,123.48 : 143,984.16 = 77,301.60 : x
  2. Step 2: Convert to fraction form
    96,123.48/143,984.16 = 77,301.60/x
  3. Step 3: Cross multiply
    96,123.48x = 143,984.16 × 77,301.60
  4. Step 4: Simplify right side
    96,123.48x = 11,130,205,942.66
  5. Step 5: Solve for x
    x = 11,130,205,942.66/96,123.48
  6. Step 6: Final answer
    x = 115,790.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.