Home / 96,450.81-133,100.68-53,430.17

Finding the Fourth Proportional to 96,450.81, 133,100.68 and 53,430.17

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Solution

The fourth proportional to 96,450.81, 133,100.68 and 53,430.17 is: 73,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,450.81 : 133,100.68 = 53,430.17 : x
  2. Step 2: Convert to fraction form
    96,450.81/133,100.68 = 53,430.17/x
  3. Step 3: Cross multiply
    96,450.81x = 133,100.68 × 53,430.17
  4. Step 4: Simplify right side
    96,450.81x = 7,111,591,897.27
  5. Step 5: Solve for x
    x = 7,111,591,897.27/96,450.81
  6. Step 6: Final answer
    x = 73,732.83

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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.