Home / 86,532.57-129,792.72-23,356.30

Finding the Fourth Proportional to 86,532.57, 129,792.72 and 23,356.30

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Solution

The fourth proportional to 86,532.57, 129,792.72 and 23,356.30 is: 35,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.57 : 129,792.72 = 23,356.30 : x
  2. Step 2: Convert to fraction form
    86,532.57/129,792.72 = 23,356.30/x
  3. Step 3: Cross multiply
    86,532.57x = 129,792.72 × 23,356.30
  4. Step 4: Simplify right side
    86,532.57x = 3,031,477,706.14
  5. Step 5: Solve for x
    x = 3,031,477,706.14/86,532.57
  6. Step 6: Final answer
    x = 35,032.79

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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.