Home / 86,735.70-119,556.81-70,792.74

Finding the Fourth Proportional to 86,735.70, 119,556.81 and 70,792.74

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Solution

The fourth proportional to 86,735.70, 119,556.81 and 70,792.74 is: 97,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.70 : 119,556.81 = 70,792.74 : x
  2. Step 2: Convert to fraction form
    86,735.70/119,556.81 = 70,792.74/x
  3. Step 3: Cross multiply
    86,735.70x = 119,556.81 × 70,792.74
  4. Step 4: Simplify right side
    86,735.70x = 8,463,754,165.56
  5. Step 5: Solve for x
    x = 8,463,754,165.56/86,735.70
  6. Step 6: Final answer
    x = 97,580.97

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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.